题目
Public class Test
{
Public static void main(String args[])
{
System.out.println((3>2)?4:5);
}
}
其运行结果是()
A、2
B、3
C、4
D、5
第1题
在下列源代码文件Test.java中,哪个选项是正确的类定义?
A.public class test{ public int x=0; public test(int x ) { this.x=x; } }
B.public class Test { public int x=0; public Test(int x ) { this.x=x; } }
C.public class Test extends T1 T2 { public int x=0; public Test(int x){ this.x=x; } }
D.protected class Test extends T2 { public int x=0; public Test(int x) { this.x=x; } }
第2题
3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)}
A.第3行
B.第5行
C.第6行
D.第10行
第3题
A.class Test implements Runnable{ public void run(){ } public void someMethod(){ } }
B.class Test implements Runnable{ public void run(); }
C.class Test implements Runnable{ public void someMethod(); }
D.class Test implements Runnable{ public void someMethod();{ } }
第4题
A.class Test implements Runnable{ public void run(){ } public void someMethod(){ } }
B.class Test implements Runnable{ public void run(); }
C.class Test implements Runnable{ public void someMethod(); }
D.class Test implements Runnable{ public void someMethod();{ } }
第5题
A.class Test implements Runnable{ public void run(){ } public void someMethod(){ } }
B.class Test implements Runnable{ public void run(); }
C.class Test implements Runnable{ public void someMethod(); }
D.class Test implements Runnable{ public void someMethod();{ } }
第6题
A.class Test implements Runnable{ public void run(){ } public void someMethod(){ } }
B.class Test implements Runnable{ public void run(); }
C.class Test implements Runnable{ public void someMethod(); }
D.class Test implements Runnable{ public void someMethod();{ } }
第7题
A.public void Test(){}
B.public Test() {}
C.public static Test(){}
D.public static void Test(){}
第8题
A.package testpackage; public class Test{//do something...}
B.import java.io.*; package testpackage; public class Test{// do something...}
C.import java.io.*; class Person{// do something...} public class Test{// do something...}
D.import java.io.*; import java.awt.*; public class Test{// do something..}
第9题
A.package testpackage; public class Test{//do something...}
B.import java.io.*; package testpackage; public class Test{// do something...}
C.import java.io.*; class Person{// do something...} public class Test{// do something...}
D.import java.io.*; import java.awt.*; public class Test{// do something..}
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