现有: interface I { void go(); } abstract class A implements I { } class C extends A { void go(){ } } 结果是什么?()
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Given:10. interface Data { public void load(); }11. abstract class Info { public abstract void load(); }Which class correctly uses the Data interface and Info class?()()
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现有: class TestApp{ public static void main (String[] args){ for (int i=0; iif(i==3) break; System. out .print (i); } } } 程序运行后的输出是哪项?()
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public interface A { String DEFAULT_GREETING = “Hello World”; public void method1(); } A programmer wants to create an interface called B that has A as its parent. Which interface declaration is correct?()
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现有: public interface A {} 以下哪项声明是合法的?()
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Given: 10.interface Data { public void load(); } 11.abstract class Info { public abstract void load(); } Which class correctly uses the Data interface and Info class?()
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现有: interface Data {public void load();} abstract class Info {public abstract void load();} 下列类定义中正确使用Data和Info的是哪项?()
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现有: class TestApp{ public static void main (String[] args){ for (int i=0; iif(i==3) break; System. out .print (i); } } } 程序运行后的输出是哪项?()
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现有: public class TestDemo{ private int X-2; static int y=3; public void method(){ final int i=100; int j =10; class Cinner { public void mymethod(){ //Here } } } } 在Here处可以访问的变量是哪些?()
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1. interface I { void go(); } 2. 3. abstract class A implements I { } 4. 5. class C extends A { 6. void go(){ } 7. } 结果是什么?()
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interface Data { public void load(); } abstract class Info { public abstract void load(); } Which class correctly uses the Data interface and Info class?()
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现有: class Ifs { public static void main (String [] args) { boolean state=false; int i=2; if( (++i>2) && (state=true)) i++; if( (++i>4) l l (state=false)) i++; System.out .println (i); } } 结果为:()
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interface foo { int k = 0; } public class test implements Foo ( public static void main(String args) ( int i; Test test = new test (); i= test.k; i= Test.k; i= Foo.k; ) ) What is the result? ()
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现有: class Output { public static void main (String[] args) { int i=5: System.out.print( "4"+i+""); System.out.print (i+5+"7"); System.out.println (i+"8"); } } 结果为:()
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现有: public interface A {} 以下哪项声明是合法的?()
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若有如下接口A的定义,下列哪些类下确实现了该接口( ) interface A {void method1(int i);void method2(int j);}
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以下哪个方法不可以加入类Son? ( )class Father{public void methodOne(int i){}public void methodTwo(int i){}public static void methodTree(int i){}public static void methodFour(int i){}}class Son extends Father{…}
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读程序写结果:#include void fun();void main(){ int i;for(i=0;i<5;i++)fun();}void fun(){ static int m=0;cout<
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给定以下代码interface I { void f(); } abstract class C implements I {}下列哪行代码可以编译成功。
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下列接口中标注的(A,B,C,D)中,哪两个是错误的? interface Takecare { protected void speakHello(); //A public abstract static void cry(); //B int f(); //C abstract float g(); //D }
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下列程序执行后的输出结果是void funcl(int i);void func2(int i);char st[]="hello,friend!";void fund(int i){ cout<<st[i];if(i<3){i+=2;func2(i);}}void func2(int i){ cout<<st[i];if(i<3){i+=2;funcl(i);}}main(){int i=0;fund(i);cout<<endl;}
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现有:class TestApp{public static void main (String[] args){for (int i=0; i<lo;i++){if(i==3)break;System. out .print (i);}}}程序运行后的输出是哪项()</lo;i++){
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public class InterfaceDemo implements A,B{ @Override public void f(){ // TODO Auto-generated method stub }}interface A{ void f()throws IOException;}interface B{ void f()throws ClassNotFoundException;}
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以下代码运行后输出的内容()interface AAA{ void fun(); } class BBB extends AAA{ public void fun() { System.out.println("fun"); } } public class Main { public static void main(String[] args) { AAA a = new BBB(); a.fun(); } }
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【填空题】下面的延时函数delay()执行了 次空语句。 void delay(void) { int i ; for(i=0;i<10000;i++); }