• 2021-04-14
    已知有下列类的说明,则下列哪个语句是正确的?public class Test {private float f = 1.0f;int m = 12;static int n=1;public static void main(String arg[]) {Test t = new Test();}}
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    内容

    • 0

      (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(); } }

    • 1

      以下是"public static void test(int x, int y)"的方法重载( ) A: public static void Test(int x) B: public static int test(int x, int y) C: public static void test(int y, int x) D: public static void test(int x, int y)

    • 2

      public class test { public static void main(String args[]) { int m=0; for ( int k=0;k<2;k++) method(m++); System.out.println(m); } public static void method(int m) { System.out.print(m); } }

    • 3

      请阅读下面的程序 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

    • 4

      对于下列Tom类,哪个叙述是正确的 public class Test { public static void main(String args[]){ Tom cat1 = new Tom(); Tom cat2 = new Tom(100); } } class Tom { void Tom{ System.out.print("hello"); } Tom(int n){ System.out.print(n); } }