JAVA认证

question 1)

which of the following lines will compile without warning or error.

1) float f=1.3;

2) char c="a";

3) byte b=257;

4) boolean b=null;

5) int i=10;  Ajs*+[j5h.u(uvnAjs*+[j5h.u(uvn

question 2)

what will happen if you try to compile and run the following code

public class myclass { public static void main(string arguments[]) { amethod(arguments); } public void amethod(string[] arguments) { system.out.println(arguments); system.out.println(arguments[1]); }}

1) error can’t make static reference to void amethod.

2) error method main not correct

3) error array must include parameter

4) amethod must be declared with string

question 3)

which of the following will compile without error

1)

import java.awt.*;package mypackage;class myclass {}

2)

package mypackage;import java.awt.*;class myclass{}

编辑推荐：

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