System.out.printIn(‘a’+0);语句的输出结果是a0(　　)

判断题

System.out.printIn(‘a’+0);语句的输出结果是a0(　　)

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单选题

阅读下列程序public class VariableUse{ public static void main (String[] args) { int a; if (a==8) { int b=9; System.out.println(a = +a); System.out.println(b = +b); } System.out.println(a = +a); System.out.println(b = +b); }}该程序在编译时的结果是：

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单选题

The machinery associated with heaving in and running out anchor chain is the ___ . A. winch B. windlassC. draw works D. dynamic pay out system

答案解析

单选题

已知： class A { public final void m() { System.out.println(“A.m”); } } public class B extends A { public void m() { System.out.println(“B.m”); super.m(); } public static void main(String [] args) { new B().m(); } } 那么结果为？

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