【单选题】给出以下代码: 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(); 以下哪个表达式的计算结果为false?
【单选题】给定以下代码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();下列哪个表达式的结果为false?
【简答题】执行下列语句后,c3中的值为【 】 int c1=1,c2=2,c3;c3=1.0/c2 * c1;
【单选题】The policemen went into action______when they heard the alarm.
【单选题】BOT项目包括的具体形式中,BOO形式的含义是()。
【单选题】假设c1、c2和c3是3个命令。以下哪个命令表示c1执行成功才执行c2,c1执行出错则不执行c2。不论c1出错与否,后面都会执行c3?
【单选题】A compute is a ( ) and programmable electronic processing machine.
【单选题】The policemen went into action ______ they heard the alarm.