以下System.out.println(Math.sqrt(16)); System.out.println(Math.pow(3, 2)); System.out.println(Math.max(2.3, 4.5)); 代码中的输出正确的是
举一反三
- 以下System.out.println(Math.sqrt(16));System.out.println(Math.pow(3,2));System.out.println(Math.max(2.3,4.5));代码中的输出正确的是A.4.0,3.0,2.3B.2.0,9.0,4.5C.2.0,3.0,4.5D.4.0,9.0,4.5
- 请看下面的程序代码,当 n 为( )值时,程序段将输出字符串 second。 [br][/br] switch(n) { [br][/br] case 0: System .out .println(“first”); [br][/br] case 1: [br][/br] case 2: System .out .println(“second”); break; [br][/br] default: System .out .println(“end”); [br][/br] }(2.0) A: 0 B: 1 C: 2 D: 以上都可以
- 中国大学MOOC: 下列代码中构造方法的返回类型是（）public class Village { Village () { System .out .println(“hiding in Village”) ; } public static void main( String args [ ]) { Village c =new Village ( ) ;}class Village { public static void main( String args [ ]) { Village c =new Village ( ) ; } Village () { System .out .println(“hiding in Village”) ; } }
- 【单选题】对于下面代码,正确的Java源程序文件名是( )。 class A { void method1() { System. out .println( "Method1 in class A" ); } } public class B { void method2() { System. out .println( "Method2 in class B" ); } public sta
- 以下程序段的输出结果为 【14】 。int x=0,y=4,z=5;if(x＞2)if(y＜5)System. out. println("Message one");elseSystem. out . println("Message two");else if(z＞5)System. out. println("Message three");elseSystem. out. println("Message four");