2011年JAVA认证模拟题（57）

会计考友 发表于 2012-8-4 12:33:16

　　Q169 Which of the following methods are methods of the String class?
　　A delete()
　　B append()
　　C reverse()
　　D replace()
　　Q170 What line of output is displayed by the following program?
　　class Question {
　　static boolean sideEffect (boolean b) {
　　System.out.print(“ side effect “);
　　return b;
　　｝
　　public static void main (String[] args)
　　{
　　boolean b1 = true;
　　boolean b2 = false;
　　if(b2 & sideEffect(b1))
　　System.out.println(1);
　　else if (b1 | sideEffect(b2))

　　System.out.println(2);

会计考友 发表于 2012-8-4 12:33:17

2011年JAVA认证模拟题（57）

</p>　　｝
　　｝
　　A 1
　　B 2
　　C side effect 1
　　D side effect 2
　　E side effect side effect 1
　　F side effect side effect 2
　　Q171 If you ran the following program, which lines would be included in its output?
　　class Question {
　　public static void main (String[] args)
　　{
　　int i = 1;
　　int j = 2;
　　outer： while (i < j) {
　　++i;
　　inner： do {
　　++j;
　　if(j % 3 == 0) continue outer;
　　if(i % 3 == 0) break inner;
　　if(i % 3 == 1) break outer;

　　System.out.println(i * j);

会计考友 发表于 2012-8-4 12:33:18