（1）分析以下代码：class C1 { } class C2 extends C1 { } class C3 extends C2 { } class C4 extends C1 { } C1 c1 = new C1(); C2 c2 = new C2(); C3 c3 = new C3(); C4 c4 = new C4();以下哪个表达式的结果为false? （ ）
1 instanceof C1 c4 instanceof C2 c3 instanceof C1c2 instanceof C1
发布时间：2025-01-31 01:59:19
