• 2021-04-14 问题

    将以下哪种方法插入到第6行是不合法的( ) 。 1.public class Test1 { 2. public float aMethod(float a,float b) throws 3. IOException { } 4. } 5.public class Test2 extends Test1{ 6. 7.}

    将以下哪种方法插入到第6行是不合法的( ) 。 1.public class Test1 { 2. public float aMethod(float a,float b) throws 3. IOException { } 4. } 5.public class Test2 extends Test1{ 6. 7.}

  • 2022-07-28 问题

    补全以下程序代码public abstract class MyClass { public int constInt = 5; 请在此处补全代码 public void method() { }} A: public abstract void method(int a); B: constInt = constInt + 5; C: public int method(); D: public abstract void anotherMethod() {}

    补全以下程序代码public abstract class MyClass { public int constInt = 5; 请在此处补全代码 public void method() { }} A: public abstract void method(int a); B: constInt = constInt + 5; C: public int method(); D: public abstract void anotherMethod() {}

  • 2022-05-29 问题

    5 the company (go public) When _____________________________________________

    5 the company (go public) When _____________________________________________

  • 2022-07-28 问题

    以下选项可替换题目中的//1而不产生编译错误的是( )。 public abstract class MyClass{ public int constInt = 5; //1 public void method(){ } } A: public abstract void method(int a); B: constInt = constInt + 5; C: public int method(); D: public abstract void anotherMethod();

    以下选项可替换题目中的//1而不产生编译错误的是( )。 public abstract class MyClass{ public int constInt = 5; //1 public void method(){ } } A: public abstract void method(int a); B: constInt = constInt + 5; C: public int method(); D: public abstract void anotherMethod();

  • 2022-06-19 问题

    public class Test{ public static void main(String[] args){ System.out.println(5/2); } }

    public class Test{ public static void main(String[] args){ System.out.println(5/2); } }

  • 2022-06-09 问题

    下列代码的执行结果是()public class Beirun{public static void main(String args[]){System.out.println(5/2);}}

    下列代码的执行结果是()public class Beirun{public static void main(String args[]){System.out.println(5/2);}}

  • 2022-06-09 问题

    下列代码的执行结果是 Public class Test { Public static void main(String args[]) { System.out.println(5/2); } }

    下列代码的执行结果是 Public class Test { Public static void main(String args[]) { System.out.println(5/2); } }

  • 2022-06-16 问题

    执行下列程序段后a和b的值为 class AB{ int a , b ; public void init(int x){ a = x ; int b = 5 ; } public void display(){ System.out.println("a = "+a+" b = "+b); } } public class ABTest{ public static void main(String[] args){ AB ab = new AB(); ab.init(6); ab.display() ; } } A: a = 5 b = 5 B: a = 0 b = 0 C: a = 6 b = 5 D: a = 6 b = 0

    执行下列程序段后a和b的值为 class AB{ int a , b ; public void init(int x){ a = x ; int b = 5 ; } public void display(){ System.out.println("a = "+a+" b = "+b); } } public class ABTest{ public static void main(String[] args){ AB ab = new AB(); ab.init(6); ab.display() ; } } A: a = 5 b = 5 B: a = 0 b = 0 C: a = 6 b = 5 D: a = 6 b = 0

  • 2021-04-14 问题

    编译运行如下Java代码,输出结果是。 public class Test{ public static void main(String[] args){ int num=5; if(num<=5){ num+=2; System.out.println(num); } System.out.println(num+5); } }

    编译运行如下Java代码,输出结果是。 public class Test{ public static void main(String[] args){ int num=5; if(num<=5){ num+=2; System.out.println(num); } System.out.println(num+5); } }

  • 2021-04-14 问题

    题目:1. public class test (2. public sta...程序运行到第5行时,j的值为多少?( )

    题目:1. public class test (2. public sta...程序运行到第5行时,j的值为多少?( )

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