现有两个文件: package X; public class X { public static void doX() {System.out.print ("doX"); } } 和: import x.X; class Find { publiC static void main (String [] args) { X myX=new X(); myX.doX(); X.doX(); x.X.aoX(): x.X myX2=new x.X(); myx2 .doX(); } } 结果为:() A、 Find类中第4行出现一个错误,编译失败。B、 Find类第5行出现一个错误,编译失败。C、 Find类第6行出现一个错误,编译失败。D、 doX doX doX doX
现有两个文件: package X; public class X { public static void doX() {System.out.print ("doX"); } } 和: import x.X; class Find { publiC static void main (String [] args) { X myX=new X(); myX.doX(); X.doX(); x.X.aoX(): x.X myX2=new x.X(); myx2 .doX(); } } 结果为:()
- A、 Find类中第4行出现一个错误,编译失败。
- B、 Find类第5行出现一个错误,编译失败。
- C、 Find类第6行出现一个错误,编译失败。
- D、 doX doX doX doX
相关考题:
若有如下程序:public class Test {public static void main (String[] args) {int x=20;if (x>10) System.out.print(x-=5);if (x>5) System.out.print(x--);}}则程序运行后的输出结果是【 】。
下面程序段的输出结果为 package test; public class ClassA { int x=20; static int y=6; public static void main(String args[]) { ClassB b=new ClassB(); b.go(10); System.out.println("x="+b.x); } } class ClassB { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } }A.x=10B.x=20C.x=6D.编译不通过
interface A{int x = 0;}class B{int x =1;}class C extends B implements A {public void pX(){System.out.println(x);}public static void main(String[] args) {new C().pX();}}
下面程序段的输出结果为( )。 package test; public class ClassA { int x=20: static int y=6; public static void main(String args[]) { ClassB b=new ClassB; go(10); System.out.println("x="+b.x); } } class ClassB { int X; void go(int y) { ClassA a=new ClassA; x=a.Y ; } }A.x=10B.x=20C.x=6D.编译不通过
下面程序段的输出结果为 package test; public class A { int x=20; static int y=6; public static void main(String args[]) { Class B b=new Class B(); b.go(10); System.out.println(”x=”+b.x); } } class Class B { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } }A.x=10B.x=20C.x=6D.编译不通过
有以下源程序: package test; public class ClassA { int x=20; static int y=6; public static void main(String args[]) { ClassB b=new ClassB(); b.go(10); System.out.println("x="+b.x); } } class ClassB { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } } 上述源程序文件的运行结果为( )。A.x=10B.x=20C.x=6D.编译不通过
现有: class Passer f static final int X=5; public static void main (String [] args) { new Passer().go (x); System. out .print (x); } void go (int x) { System. out .print(x++); } 结果是什么?() A、55B、56C、65D、66
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[])
程序: class TestReference{ public static void main(String[] args){ int x=2; TestReference tr = new TestReference(); System.out.print(x); tr.change(x); System.out.print(x); } public void change(int num){ num = num + 1; } } 程序运行后的输出是哪项?() A、 23B、 21C、 22D、 编译错误
现有: class Top { static int X=l; public Top() { x*=3; } } class Middle extends Top { public Middle() {x+=l; } public static void main(String [] args) { Middle m=new Middle(); System.out.println (x); } } 结果是什么?() A、 2B、 3C、 4D、编译失败
现有两个文件:A package x; public class X{ public static void doX(), System.out.print(“doX”); } 和: Import x,X; class Find{ public static void main(String[] args){ X myX =new X(); myX.doX(); X.doX(); x.X. doX(); x.X myX2=new x.x(); myX2.doX(); } } 结果为:() A、 doX doX doX doXB、 Find类中出现多个错误,编译失败。C、 Find类中第4行出现一个错误,编译失败。D、 Find类中第5行出现一个错误,编译失败。E、 Find类中第6行出现一个错误,编译失败。F、 Find类中第7行出现一个错误,编译失败。
现有2 个文件: 1. package x; 2. public class X { 3. public static void doX() { System.out.print("doX "); } 4. } 和: 1. class Find { 2. public static void main(String [] args) { 3. //insert code here 4. } 5. } 哪两行分别插入到类Find 的第3 行将编译并产生输出“doX”? ()A、doX();B、X.doX();C、x.X.doX();D、x.X myX = new x.X(); myX.doX();
public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() {} } What is the result?() A、 ACB、 BDC、 ACDD、 ABCDE、 Compilation fails.
class Top { static int x = 1; public Top(int y) { x *= 3; } } class Middle extends Top { public Middle() { x += 1; } public static void main(String [] args) { Middle m = new Middle(); System.out.println(x); } } 结果为:() A、1B、2C、3D、编译失败
现有2个文件: package x; public class X{ public static void doX() {System.out.print("doX");} } 和: class Find{ public static void main(String [] args) { //insert code here } } 哪两行分别插入到类Find的第3行将编译并产生输出“doX”?()A、doX();B、X.doX();C、x.X.doX();D、x.X myX=new x.X();myX.doX();
class Passer { static final int x = 5; public static void main(String [] args) { new Passer().go(x); System.out.print(x); } void go(int x) { System.out.print(++x); } } 结果是什么?() A、55B、56C、65D、66
现有: class Top { static int x=l; public Top (inty) { x*=3; } } class Middle extends Top { public Middle() {x+=1; ) public static void main (String [] args) { Middle m = new Middle(); System. out .println (x); } } 结果为:() A、1B、2C、3D、编译失败
public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (RuntimeException ex) { System.out.print(“B”); } catch (Exception ex1) { System.out.print(“C”); } finally { System.out.print(“D”); } System.out.print(“E”); } public static void badMethod() { throw new RuntimeException(); } } What is the result?() A、 BDB、 BCDC、 BDED、 BCDEE、 ABCDEF、 Compilation fails.
public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() { throw new RuntimeException(); } } What is the result? () A、 ABB、 BCC、 ABCD、 BCDE、 Compilation fails.
import java.util.*; class ScanStuff { public static void main(String [] args) { String s = "x,yy,123"; Scanner sc = new Scanner(s); while (sc.hasNext()) System.out.print(sc.next() + " "); } } 结果是什么?() A、x yyB、x,yyC、x yy 123D、x,yy,123
下面哪些main方法可用于程序执行()A、public static void main(String[]args)B、public static void main(String[]x)C、public static void main(Stringargs[])D、public void main(String[]args)
多选题现有2个文件: package x; public class X{ public static void doX() {System.out.print("doX");} } 和: class Find{ public static void main(String [] args) { //insert code here } } 哪两行分别插入到类Find的第3行将编译并产生输出“doX”?()AdoX();BX.doX();Cx.X.doX();Dx.X myX=new x.X();myX.doX();
多选题现有2 个文件: 1. package x; 2. public class X { 3. public static void doX() { System.out.print("doX "); } 4. } 和: 1. class Find { 2. public static void main(String [] args) { 3. //insert code here 4. } 5. } 哪两行分别插入到类Find 的第3 行将编译并产生输出“doX”? ()AdoX();BX.doX();Cx.X.doX();Dx.X myX = new x.X(); myX.doX();
单选题public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() { throw new RuntimeException(); } } What is the result? ()A ABB BCC ABCD BCDE Compilation fails.
单选题public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() {} } What is the result?()A ACB BDC ACDD ABCDE Compilation fails.
单选题class Passer { static final int x = 5; public static void main(String [] args) { new Passer().go(x); System.out.print(x); } void go(int x) { System.out.print(++x); } } 结果是什么?()A55B56C65D66
单选题现有: class Top { static int X=l; public Top() { x*=3; } } class Middle extends Top { public Middle() {x+=l; } public static void main(String [] args) { Middle m=new Middle(); System.out.println (x); } } 结果是什么?()A 2B 3C 4D编译失败