下列程序运行后的输出结果是( )。public class Test{ int u;static int v; public static void main(String[] args){ Test t1=new Test(); Test t2=new Test(); t1.v = 10;t1.u = 10; System.out.println(t1.v+","+t2.v+","+t1.u+","+t2.u); }}
A: 10,10,10,0
B: 10,0,10,0
C: 10,10,0,0
D: 10,10,10,10
A: 10,10,10,0
B: 10,0,10,0
C: 10,10,0,0
D: 10,10,10,10
举一反三
- 阅读下列代码: public class Test{ public static void main(String args[]){ System.out.println((2<0) 10:8); } } 其运行结果是______。 A: 2 B: 0 C: 10 D: 8
- 下列代码中,将引起一个编译错误的行是______。 1)public class Test{ 2) int m,n; 3) public Test(){} 4) public Test(int a){m=a;} 5) public static void main(String args[]){ 6) Test t1,t2; 7) int j,k; 8) j=0;k=0; 9) t1=new Test(); 10) t2=new Test(j,k); 11) } 12) }
- 如图9-3所示,非周期信号的时域描述形式为()。 A: u(t)=[10×1(t-3)-10×1(t-6)]V B: u(t)=[3×1(t-3)-10×1(t-6)]V C: u(t)=[3×1(t-3)-6×1(t-6)]V D: u(t)=[10×1(t-3)-6×1(t-6)]V
- 下列程序的运行结果是()。 public class Test public static void main ( String [ ] args ) int count = 0 for( int i = 1 i < 5 i = 2) for( int j = 1 j< = 10 j = 3) count System .out .print (count ) _
- var t = 10; function test(test){ t = t + test; console.log(t); var t = 3; } test(t); console.log(t); 运行结果是( )? A: 3 3 B: 3 10 C: NaN 10 D: NaN 3