Which statements about static inner classes are true?()
package foo; public class Outer { public static class Inner { } } Which statement is true?()
现有: class TestMain { static int x = 2; static { x = 4; } public static void main(String... args) { int y = x + 1; System.out.println(y); } } 和命令行: java TestMain 结果为:()
package foo; public class Outer ( public static class Inner ( ) ) Which statement is true?()
Which statement about static inner classes is true? ()
class TestMain { static int x = 2; static { x = 4; } public static void main(String... args) { int y = x + 1; System.out.println(y); } } 和命令行: java TestMain 结果为:()
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:()
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”?()
读代码:public class foo {static String s;public static void main (String[]args) {System.out.println (“s=” + s);}}结果是:
设有如下代码: class Base{} public class MyCast extends Base{ static boolean b1=false; static int i = -1; static double d = 10.1; public static void main(String argv[]){ MyCast m = new MyCast(); Base b = new Base(); //Here } } 则在 //Here处插入哪个代码将不出现编译和运行错误。
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{…}
下列程序输出结果为()。 public class test { public static void main (String args[]) {
下面程序段的输出结果为package test;public class Class A{ int x=20; static int y=6; public
代码三: public class Test03 { public static void main(); } }
下面的程序能正确运行吗 public class NULL { public static void haha(); } }
以下代码可以编译通过 public class Test01 { public static void main(); } }
代码四: public class Test04 { public static void main(); n--; } } }
某 Java源文件代码如下: public class A { int a; } class B { int b; } class C { public static void main()
Given: public class Test { public static void main (); } } What is the result?
13、下面程序的输出结果是()。 class J_Class { static int m_data=0; } class J_Test { public static void main(String []args) { J_Class a=new J_Class(); J_Class b=new J_Class(); a.m_data=1; b.m_data=2; System.out.println(a.m_data); } } A. 0 B.1 C. 2 D. 程序无法通过编译。
给出下面代码:public class test{static int a[] = new a[10];public static void main(){System.out.println();}}下列选项正确的是()
已知有如下代码: import java.util.*; public class Test{ public static void main(); } }
若所有 print方法均为static,则其结果输出为 : import java.io.*; class Person{ public static void print(); } }
下面的程序能正确运行吗 public class NULL { public static void haha(); } }A.能