試題詳解

複選題
143. 下列 Java 語言程式片段中，那些指令敘述是合法的？
(A)String s ="hello"; boolean b[] = {true,false}; Boolean bw = new Boolean(b[0]); s =s + bw;
(B)char s[] = {'h', 'e','l','o','o'}; int i = 15; s = s + i;
(C)float f = 5;char c = 20; f = f + c;
(D)double d = -10.5 d = d % 2 。