class Test {
private static String name;
static {
name = "World";
System.out.print (name);
}
public static void main(String[] args) {
System.out.print("Hello");
Test test = new Test();
}
}
下列选项中,程序运行结果是
举一反三
- 编译并运行下面的程序,结果是 public class A { public static void main(String args[]) { B b = new B(); b.test(); } void test() { System.out.print("A"); } } class B extends A { void test() { super.test(); System.out.println("B"); } }
- (06-06)分析如下所示的Java代码,其中this关键字的意思是( )。 public class Test { private String name; public String getName() { return name; } public void setName(String name) { this.name = name; //this关键字所在的行 } } Class Main{ Public static void main(String []args){ Test T1 = new Test(); T1.setname(“zhangsan”); } }
- 下列程序的运行结果是( )class Demo{private String name;Demo(String name){this.name = name;}private static void show(){System.out.println(name)}public static void main(String[] args){Demo d = new Demo(“lisa”);d.show();}}
- 请阅读下面的程序 public class Test { public static void main(String[] args) { for(int x = 0 ; x <=3 ; x++){ continue; System.out.print(x%2+” “); } } } 下列选项中,哪一个是程序的运行结果
- 有如下代码,则该程序运行时输出结果是。 class Test{ static int i=0; public void show() { i++; System.out.println(i); } } public class Demo { public static void main(String[] args) { Test test=new Test(); test.show(); } }
内容
- 0
class Person{ static{ System.out.println(name); } private static String name = "hello"; } class Demo{ public static void main(String[] args){ Person p = null; } }
- 1
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();}}
- 2
(6-6)请阅读程序,写出程序运行结果。 class Test{ static int x=10; int y=99; { y=y+10; } static { x=x+5; } { y=y+10; } static { x=x+5; } public Test() {//构造方法 x=x+5; } { System.out.println(x*y); } } public class Demo11 { public static void main(String[] args) { Test t1=new Test(); Test t2=new Test(); } }
- 3
下列程序的运行结果是()。 public class Test public static void main ( String [ ] args ) int count = 0 for( int i = 1 i < 5 i = 2) for( int j = 1 j< = 10 j = 3) count System .out .print (count ) _
- 4
以下程序的输出结果为?public class Test {public static void main(String args[]) {for ( int k = 0; k < 3; k++)System.out.print("k");}}