单选题public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)A assert true;B assert false;C assert false : true;D assert false == true;E assert false: false;

单选题
public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)
A

 assert true;

B

 assert false;

C

 assert false : true;

D

 assert false == true;

E

 assert false: false;


参考解析

解析: 暂无解析

相关考题:

Give the following java class:public class Example{public static void main(String args[]){int x[] = new int[15];System.out.println(x[5]);}}Which statement is corrected?() A.When compile, some error will occur.B.When run, some error will occur.C.Output is zero.D.Output is null.

Which declarations will allow a class to be started as a standalone program?()  A、public void main(String args[])B、public void static main(String args[])C、public static main(String[] argv)D、final public static void main(String [] array)E、public static void main(String args[])

public class Test {   public static void main (Stringargs) {   String foo = args[1];   String bar = args;   String baz = args;   System.out.printIn(“baz = ” + baz);  }   }   And the output:  Baz = 2   Which command line invocation will produce the output?()A、 Java Test 2222B、 Java Test 1 2 3 4C、 Java Test 4 2 4 2D、 Java Test 4 3 2 1

Public class test (  Public static void main (String args[])  (  System.out.printIn (6 ^ 3);  )  )   What is the output?()

Which statements, when inserted at the indicated position in the following code, will cause a runtime exception when attempting to run the program?()   class A {}   class B extends A {}   class C extends A {}   public class Q3ae4 {   public static void main(String args[]) {   A x = new A();   B y = new B();   C z = new C();   // insert statement here   }   } A、x = y;B、z = x;C、y = (B) x;D、z = (C) y;E、y = (A) y;

public class Test {  public static void main(String[] args) {  String str = NULL;  System.out.println(str);  }  }   What is the result?()  A、 NULLB、 Compilation fails.C、 The code runs with no output.D、 An exception is thrown at runtime.

public class Test {  public static void main (String[]args) {  String foo = args[1];  String bar = args[2];  String baz = args[3];  System.out.printIn(“baz = ” + baz);  }  }  And the output:  Baz = 2  Which command line invocation will produce the output?()  A、 Java Test 2222B、 Java Test 1 2 3 4C、 Java Test 4 2 4 2D、 Java Test 4 3 2 1

public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)  A、 assert true;B、 assert false;C、 assert false : true;D、 assert false == true;E、 assert false: false;

1) class Person {  2) public void printValue(int i, int j) {/*…*/ }     3) public void printValue(int i){/*...*/ }     4) }  5) public class Teacher extends Person {     6) public void printValue() {/*...*/ }     7) public void printValue(int i) {/*...*/}     8) public static void main(String args[]){     9) Person t = new Teacher();     10) t.printValue(10);     11) }    12) }  Which method will the statement on line 10 call? ()  A、 on line 2B、 on line 3C、 on line 6D、 on line 7

public class X {  public static void main (String[] args)  {  byte b = 127;  byte c = 126;  byte d = b + c;  }  }   Which statement is true?()  A、 Compilation succeeds and d takes the value 253.B、 Line 5 contains an error that prevents compilation.C、 Line 5 throws an exception indicating “Out of range”D、 Line 3 and 4 contain error that prevent compilation.E、 The compilation succeeds and d takes the value of 1.

Given the following code:     public class Person{ static int arr[] = new int[10];  public static void main(String a[]) {     System.out.println(arr[1];)     }     }  Which statement is correct?()   A、 When compilation some error will occur.B、 It is correct when compilation but will cause error when running.C、 The output is zero.D、 The output is null.

1. public class enclosingone (  2. public class insideone{}  3. )  4. public class inertest(  5. public static void main (string[]args)(  6. enclosingone eo= new enclosingone ();  7. //insert code here  8. )  9. )    Which statement at line 7 constructs an instance of the inner class?()  A、 InsideOnew ei= eo.new InsideOn();B、 Eo.InsideOne ei = eo.new InsideOne();C、 InsideOne ei = EnclosingOne.new InsideOne();D、 EnclosingOne.InsideOne ei = eo.new InsideOne();

Given the following code, write a line of code that, when inserted at the indicated location, will make the overriding method in Extension invoke the overridden method in class Base on the current object.   class Base {   public void print( ) {   System.out.println("base");   }   }   class Extention extends Base {   public void print( ) {   System.out.println("extension");   // insert line of implementation here   }   }   public class Q294d {   public static void main(String args[]) {   Extention ext = new Extention( );   ext.print( );   }   }   Fill in a single line of implementation.()

Consider the following class:     class Test(int i) {     void test(int i) {  System.out.println(“I am an int.”); }    void test(String s) {   System.out.println(“I am a string.”);     }          public static void main(String args) {    Test t=new Test();     char ch=“y”;    t.test(ch);     }      }     Which of the statements below is true?()A、 Line 5 will not compile, because void methods cannot be overridden.B、 Line 12 will not compile, because there is no version of test() that rakes a charargument.C、 The code will compile but will throw an exception at line 12.D、 The code will compile and produce the following output: I am an int.E、 The code will compile and produce the following output: I am a String.

单选题1) class Person {  2) public void printValue(int i, int j) {/*…*/ }     3) public void printValue(int i){/*...*/ }     4) }  5) public class Teacher extends Person {     6) public void printValue() {/*...*/ }     7) public void printValue(int i) {/*...*/}     8) public static void main(String args[]){     9) Person t = new Teacher();     10) t.printValue(10);     11) }    12) }  Which method will the statement on line 10 call? ()A on line 2B on line 3C on line 6D on line 7

多选题Which declarations will allow a class to be started as a standalone program?()Apublic void main(String args[])Bpublic void static main(String args[])Cpublic static main(String[] argv)Dfinal public static void main(String [] array)Epublic static void main(String args[])

单选题public class enclosingone (    public class insideone{}   )   public class inertest(   public static void main (stringargs)(   enclosingone eo= new enclosingone ();    //insert code here  )  )   Which statement at line 7 constructs an instance of the inner class?()A InsideOnew ei= eo.new InsideOn();B Eo.InsideOne ei = eo.new InsideOne();C InsideOne ei = EnclosingOne.new InsideOne();D EnclosingOne.InsideOne ei = eo.new InsideOne();

多选题Which statements can be inserted at the indicated position in the following code to make the program write 1 on the standard output when run?()  public class Q4a39 {  int a = 1;   int b = 1;   int c = 1;   class Inner {   int a = 2;  int get() {   int c = 3;   // insert statement here  return c;   }   }  Q4a39() {   Inner i = new Inner();   System.out.println(i.get());  }   public static void main(String args[]) {   new Q4a39();   }   }Ac = b;Bc = this.a;Cc = this.b;Dc = Q4a39.this.a;Ec = c;

单选题Given the following code:     public class Person{ static int arr[] = new int[10];  public static void main(String a[]) {     System.out.println(arr[1];)     }     }  Which statement is correct?()A When compilation some error will occur.B It is correct when compilation but will cause error when running.C The output is zero.D The output is null.

多选题1) class Person { 2) public void printValue(int i, int j) {/*…*/ }    3) public void printValue(int i){/*...*/ }    4) } 5) public class Teacher extends Person {    6) public void printValue() {/*...*/ }    7) public void printValue(int i) {/*...*/}    8) public static void main(String args[]){    9) Person t = new Teacher();    10) t.printValue(10);   11) }    12) } Which method will the statement on line 10 call?()Aon line 2Bon line 3Con line 6Don line 7

单选题public class X {   public static void main (String args) {   byte b = 127;   byte c = 126;   byte d = b + c;   }   }   Which statement is true?()A Compilation succeeds and d takes the value 253.B Line 5 contains an error that prevents compilation.C Line 5 throws an exception indicating “Out of range”D Line 3 and 4 contain error that prevent compilation.E The compilation succeeds and d takes the value of 1.

单选题public class Test {  public static void main (String[]args) {  String foo = args[1];  String bar = args[2];  String baz = args[3];  System.out.printIn(“baz = ” + baz);  }  }  And the output:  Baz = 2  Which command line invocation will produce the output?()A Java Test 2222B Java Test 1 2 3 4C Java Test 4 2 4 2D Java Test 4 3 2 1

单选题public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)A assert true;B assert false;C assert false : true;D assert false == true;E assert false: false;

单选题public class Test {   public static void main (Stringargs) {   String foo = args[1];   String bar = args;   String baz = args;   System.out.printIn(“baz = ” + baz);  }   }   And the output:  Baz = 2   Which command line invocation will produce the output?()A Java Test 2222B Java Test 1 2 3 4C Java Test 4 2 4 2D Java Test 4 3 2 1

单选题public class Test {  public static void main(String[] args) {  String str = NULL;  System.out.println(str);  }  }   What is the result?()A NULLB Compilation fails.C The code runs with no output.D An exception is thrown at runtime.

单选题Consider the following class:     class Test(int i) {     void test(int i) {  System.out.println(“I am an int.”); }    void test(String s) {   System.out.println(“I am a string.”);     }          public static void main(String args) {    Test t=new Test();     char ch=“y”;    t.test(ch);     }      }     Which of the statements below is true?()A Line 5 will not compile, because void methods cannot be overridden.B Line 12 will not compile, because there is no version of test() that rakes a charargument.C The code will compile but will throw an exception at line 12.D The code will compile and produce the following output: I am an int.E The code will compile and produce the following output: I am a String.

填空题Public class test (  Public static void main (String args[])  (  System.out.printIn (6 ^ 3);  )  )   What is the output?()

单选题Which statements, when inserted at the indicated position in the following code, will cause a runtime exception when attempting to run the program?()   class A {}   class B extends A {}   class C extends A {}   public class Q3ae4 {   public static void main(String args[]) {   A x = new A();   B y = new B();   C z = new C();   // insert statement here   }   }Ax = y;Bz = x;Cy = (B) x;Dz = (C) y;Ey = (A) y;