以下语句能顺利通过编译: class class1 { private int i=5; //i为私有属性!! } public class class2 { public static void main(String args[]) { class1 cs1=new class1(); System.out.println(cs1.i); } } 。() 此题为判断题(对,错)。
以下语句能顺利通过编译: class class1 { private int i=5; //i为私有属性!! } public class class2 { public static void main(String args[]) { class1 cs1=new class1(); System.out.println(cs1.i); } } 。()
此题为判断题(对,错)。
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以下代码的运行结果是______。public class exl5{public static void main(String args []){int i = 5;do{i--;if(i > 2)continue;}while(i < 0);System.out.println(i);}}
下列程序段的输出结果是【 】。public class Test {void printValue(int m) {do {System.out.println("The value is"+m);}while (--m>10);}public static void main (String args[]) {int i=10;Test t= new Test();t.printValue(i);}}
下列程序的功能是为变量赋值,程序运行后,输出i=51。请改动main方法中的错误,使程序能够正确编译、运行并输出正确的结果。注意:不改动程序结构。class A{private int a;public void setA (int x){a=x;}public int getA(){return a;}}public class MethodTest{public static void main(String args[]){A a=A();a.getA(51);int i=a.getA();System.out.println ("i="+i);}}
下列程序的执行结果是 ( ) public class Test { public int aMethod() { satic int i=0; i++; System.out.println(i); } public static void.main(String args[]) { Test test=new Test(); test.aMethod(); }A.编译错误B.0C.1D.运行成功,但不输出
下列代码的执行结果是public class Test{ public int aMethod(){ static int i=0; i++; System.out.println(i); } public static void main(String args[]){ Test test= new Test(); test. aMethod(); }}A.编译错误B.0C.1D.运行成功,但不输出
在下列程序的划线处应填入的语句是class Person { private int a;}public class Man extends Person{ public int b; public static void main (String arg []){ Person p=new Person(); Man t=new Man(); int i: }}A.i=w;B.i=bC.i=p.a;D.i=t.b;
public class Something {public static void main(String[] args) {Other o = new Other();new Something().addOne(o);}public void addOne(final Other o) {o.i++;}}class Other {public int i;}和上面的很相似,都是关于final 的问题,这有错吗?
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();}}
4 . 写出程序的输出结果class Class1 {private string str = "Class1.str";private int i = 0;static void StringConvert(string str) {str = "string being converted.";}static void StringConvert(Class1 c) {c.str = "string being converted.";}static void Add(int i) {i++;}static void AddWithRef(ref int i) {i++;}static void Main() {int i1 = 10;int i2 = 20;string str = "str";Class1 c = new Class1();Add(i1);AddWithRef(ref i2);Add(c.i);StringConvert(str);StringConvert(c);Console.WriteLine(i1);Console.WriteLine(i2);Console.WriteLine(c.i);Console.WriteLine(str);Console.WriteLine(c.str);}}
下列代码的执行结果是( )。public class Test{public int aMethod( ){static int i=0;i++;System.out.println(i):}public static void main (String args[]){Trest test=new Test ( );test aMethod( ):}}A.编译错误B.0C.1D.运行成功,但不输出B.C.D.
当你编译运行下列程序代码,会得到什么结果?private class Base{ Base(){ int i = 100; System.out.println(i); } }public class Pri extends Base{ staticint i = 200;public static void main(String argv[]){ Pri p = new Pri(); System.out.println(i); } }A.这段代码不能通过编译B.输出200C.输出100和200D.输出100
以下程序的编译和运行结果为?class test {static boolean check;public static void main(String args[]) {int i;if(check == true)i=1;elsei=2;if(i= 2、i=i+2;else i = i + 4;System.out.println(i);}} A. 3B. 4C. 5D. 6E. 语句if(i= 2、编译出错
以下程序的调试结果为?public class Outer{public String name = "Outer";public static void main(String argv[]){Inner i = new Inner();i.showName();}private class Inner{String name =new String("Inner");void showName(){System.out.println(name);}}}A.输出结果 OuterB.输出结果 InnerC.编译错误,因Inner类定义为私有访问D.在创建Inner类实例的行出现编译错误
以下的程序的调试结果为?public class MyAr{public static void main(String argv[]) {MyAr m = new MyAr();m.amethod();}public void amethod(){static int i;System.out.println(i);}} A. 输出结果为 0B. 运行出错C. 输出结果为 nullD. 编译错误
以下的程序的调试结果为public class Scope{int i;public static void main(String argv[]){Scope s = new Scope();s.amethod();}public static void amethod(){System.out.println(i);}} A. 输出结果为:0B. 无输出C. 编译错误D. 输出null
以下程序能顺利通过编译: public class am_I_right { public static void main(String args[]) { this.toString(); } String toString() { retur。() 此题为判断题(对,错)。
以下语句能顺利通过编译: abstract class class1 { } public class mainClass { public static void main(String args[]) { class1 cs1=new class1(); } } 。() 此题为判断题(对,错)。
以下语句能顺利通过编译: class test { static void sayHello() { this.toString(); } public String toString() { retur。() 此题为判断题(对,错)。
以下语句能顺利通过编译: class class1 { protected int i=5; //i为保护属性 } public class class2 { public static void main(String args[]) { class1 cs1=new class1(); System.out.println(cs1.i); } }。() 此题为判断题(对,错)。
设有程序如下: abstract class absclass { abstract void method1(); } class conclass extends absclass { public void method1() { System.out.println("子类");} } public class mainclass { public static void main(String args[]) { absclass ac1=new absclass(); //语句1 absclass ac2=new conclass(); //语句2 ac2.method1(); //语句3 } } 则main()方法中的第一条语句(即语句1)可以顺利通过编译。()此题为判断题(对,错)。
1. public class Target { 2. private int i = 0; 3. public int addOne() { 4. return ++i; 5. } 6. } And: 1. public class Client { 2. public static void main(String[] args) { 3. System.out.println(new Target().addOne()); 4. } 5. } Which change can you make to Target without affecting Client?() A、 Line 4 of class Target can be changed to return i++;B、 Line 2 of class Target can be changed to private int i = 1;C、 Line 3 of class Target can be changed to private int addOne() {D、 Line 2 of class Target can be changed to private Integer i = 0;
class Super { public int i = 0; public Super(String text) { i = 1; } } public class Sub extends Super { public Sub(String text) { i = 2; } public static void main(String args[]) { Sub sub = new Sub(“Hello”); System.out.println(sub.i); } } What is the result?() A、 0B、 1C、 2D、 Compilation fails.
public class Test { public int aMethod() { static int i = 0; i++; return i; } public static void main (String args[]) { Test test = new Test(); test.aMethod(); int j = test.aMethod(); System.out.println(j); } } What is the result?() A、 0B、 1C、 2D、 Compilation fails.
单选题class Super { public int i = 0; public Super(String text) { i = 1; } } public class Sub extends Super { public Sub(String text) { i = 2; } public static void main(String args[]) { Sub sub = new Sub(“Hello”); System.out.println(sub.i); } } What is the result?()A 0B 1C 2D Compilation fails.