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单选题
现有: 1. class Wrench f 2.public static void main(String [] args) { 3.Wrench w=new Wrench( ); Wrench w2=new Wrench( ); 4. w2=go (w, w2); 5.System.out.print (w2==w); 6. } 7.static Wrench go (Wrench wrl, Wrench wr2) { 8.Wrench wr3=wrl; wrl=wr2; wr2=wr3; 9. return wr3; 10. } 11. } 结果是什么?()
A
false
B
true
C
编译失败
D
运行的时候有异常抛出
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更多 “单选题现有: 1. class Wrench f 2.public static void main(String [] args) { 3.Wrench w=new Wrench( ); Wrench w2=new Wrench( ); 4. w2=go (w, w2); 5.System.out.print (w2==w); 6. } 7.static Wrench go (Wrench wrl, Wrench wr2) { 8.Wrench wr3=wrl; wrl=wr2; wr2=wr3; 9. return wr3; 10. } 11. } 结果是什么?()A falseB trueC 编译失败D 运行的时候有异常抛出” 相关考题
考题
运行下列程序的结果是 ( ) abstract class MineBase { abstract void amethod(); static int i; } public class Mine extends MineBase { public static void main(String argv[]){ int[]ar=new int[5]; for(i=0;i<ar.length;i++) System.out.println(ar[i]);A.打印5个0B.编译出错,数组ar[]必须初始化C.编译出错,Mine应声明为abstractD.出现IndexOutOfBoundes的例外
考题
以下哪个是Java应用程序main方法的有效定义?
A. public static void main();B. public static void main( String args );C. public static void main( String args[] );D. public static void main( Graphics g );E. public static boolean main( String a[] );
考题
以下是JAVA中正确的入口方法是? () A、 public static void main(String[] args){}B、 public static void main(String args){}C、 public void main(String[] args){}D、 public static int main(String[] args){}
考题
现有: class Tree { private static String tree = "tree "; String getTree () { return tree; } } class Elm extends Tree { private static String tree = "elm "; public static void main (String [] args) { new Elm() .go (new Tree()) ; } } void go (Tree t) { String s = t.getTree () +Elm.tree + tree + (new Elm() .getTree ()) ; System.out.println (s) ;} 结果为:() A、 elm elm elm elmB、 tree elm elm elmC、 tree elm elm treeD、 tree elm tree elm
考题
Which declarations will allow a class to be started as a standalone program?() A、public void main(String args[])B、public void static main(String args[])C、public static main(String[] argv)D、final public static void main(String [] array)E、public static void main(String args[])
考题
Public class test ( Public static void main (String args[]) ( System.out.printIn (6 ^ 3); ) ) What is the output?()
考题
下列有关main()方法的签名正确的是哪些?()A、 public static void main(String[] args){}B、 public static void main(){}C、 public static void main(String args[]){}D、 public void static main(String[] args){}
考题
现有: class Wrench f public static void main(String [] args) { Wrench w=new Wrench(); Wrench w2=new Wrench(); w2=go (w, w2); System.out.print (w2==w); } static Wrench go (Wrench wrl, Wrench wr2) { Wrench wr3=wrl; wrl=wr2; wr2=wr3; return wr3; } 结果是什么?() A、 falseB、 trueC、编译失败D、运行的时候有异常抛出
考题
Given classes defined in two different files: 1.package util; 2.public class BitUtils{ 3.private static void process(byte[]b){} 4.} 1.package app; 2.public class SomeApp{ 3.public static void main(String[]args){ 4.byte[]bytes=newbyte[256]; 5.//insert code here 6.} 7.} What is required at line 5 in class SomeApp to use the process method of BitUtils?()A、process(bytes);B、BitUtils.process(bytes);C、app.BitUtils.process(bytes);D、util.BitUtils.process(bytes);E、importutil.BitUtils.*;process(bytes);F、SomeApp cannot use the process method in BitUtils.
考题
现有: class TestApp{ public static void main (String[] args){ for (int i=0; iA、0123B、012456789C、0123456789D、012
考题
下面哪些选项是正确的main方法说明?()A、 public main(String args[])B、 public static void main(String args[])C、 private static void main(String args[])D、 void main()
考题
现有: 1. class Wrench f 2.public static void main(String [] args) { 3.Wrench w=new Wrench( ); Wrench w2=new Wrench( ); 4. w2=go (w, w2); 5.System.out.print (w2==w); 6. } 7.static Wrench go (Wrench wrl, Wrench wr2) { 8.Wrench wr3=wrl; wrl=wr2; wr2=wr3; 9. return wr3; 10. } 11. } 结果是什么?()A、falseB、trueC、编译失败D、运行的时候有异常抛出
考题
声明Java独立应用程序main()方法时,正确表达是()。A、public static void main(String[]args){…}B、private static void main(String args[]){…}C、public void main(String args[]){…}D、public static void main(){…}
考题
现有: class Wrench2 { int size; public static void main(String [] args) { Wrench2 w=new Wrench2(); w.size=II; Wrench2 w2=go(w, w.size); System. out .print (w2. size); } static Wrench2 go(Wrench2 wr. int s) { S=12; return wr; } } 结果为() A、 11B、 12C、编译失败D、运行时异常被抛出
考题
下面哪些main方法可用于程序执行()A、public static void main(String[]args)B、public static void main(String[]x)C、public static void main(Stringargs[])D、public void main(String[]args)
考题
多选题Which declarations will allow a class to be started as a standalone program?()Apublic void main(String args[])Bpublic void static main(String args[])Cpublic static main(String[] argv)Dfinal public static void main(String [] array)Epublic static void main(String args[])
考题
单选题现有: class Tree { private static String tree = "tree "; String getTree () { return tree; } } class Elm extends Tree { private static String tree = "elm "; public static void main (String [] args) { new Elm() .go (new Tree()) ; } } void go (Tree t) { String s = t.getTree () +Elm.tree + tree + (new Elm() .getTree ()) ; System.out.println (s) ;} 结果为:()A
elm elm elm elmB
tree elm elm elmC
tree elm elm treeD
tree elm tree elm
考题
多选题下面哪些main方法可用于程序执行()Apublic static void main(String[]args)Bpublic static void main(String[]x)Cpublic static void main(Stringargs[])Dpublic void main(String[]args)
考题
单选题以下是JAVA中正确的入口方法是? ()A
public static void main(String[] args){}B
public static void main(String args){}C
public void main(String[] args){}D
public static int main(String[] args){}
考题
单选题现有: class Passer f static final int X=5; public static void main (String [] args) { new Passer().go (x); System. out .print (x); } void go (int x) { System. out .print(x++); } 结果是什么?()A
55B
56C
65D
66
考题
单选题现有: class Wrench2 { int size; public static void main(String [] args) { Wrench2 w=new Wrench2(); w.size=II; Wrench2 w2=go(w, w.size); System. out .print (w2. size); } static Wrench2 go(Wrench2 wr. int s) { S=12; return wr; } } 结果为()A
11B
12C
编译失败D
运行时异常被抛出
考题
单选题现有: class Wrench f public static void main(String [] args) { Wrench w=new Wrench(); Wrench w2=new Wrench(); w2=go (w, w2); System.out.print (w2==w); } static Wrench go (Wrench wrl, Wrench wr2) { Wrench wr3=wrl; wrl=wr2; wr2=wr3; return wr3; } 结果是什么?()A
falseB
trueC
编译失败D
运行的时候有异常抛出
考题
单选题现有: class Banana2 f static int X=2; public static void main (String [] args) { int X=2; Banana2 b=new Banana2(); b.go(x); } static {x+=x; } void go (int x) { ++x; System. out.println (x); } 结果为:()A
7B
5C
3D
2
考题
单选题class Wrench2 { int size; public static void main(String [] args) { Wrench2 w = new Wrench2(); w.size = 9; Wrench2 w2 = go(w, w.size); System.out.print(w2.size); } static Wrench2 go(Wrench2 wr, int s) { s = 7; return wr; } } 结果为:()A
7B
9C
编译失败D
输出结果不可预料
考题
多选题下列有关main()方法的签名正确的是哪些?()Apublic static void main(String[] args){}Bpublic static void main(){}Cpublic static void main(String args[]){}Dpublic void static main(String[] args){}
考题
单选题class Wrench { public static void main(String [] args) { Wrench w = new Wrench(); Wrench w2 = new Wrench(); w2 = go(w,w2); System.out.print(w2 == w); } static Wrench go(Wrench wr1, Wrench wr2) { Wrench wr3 = wr1; wr1 = wr2; wr2 = wr3; return wr3; } } 结果是什么?()A
trueB
falseC
编译失败D
输出不可预期
考题
单选题现有: class TestApp{ public static void main (String[] args){ for (int i=0; i
A
0123B
012456789C
0123456789D
012
考题
单选题下面哪些选项是正确的main方法说明?()A
public main(String args[])B
public static void main(String args[])C
private static void main(String args[])D
void main()
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