谁能发个全国计算机考试的JAVA真题给我笔试题

哎 我应聘了N家公司 给你一些题好了

华为的

第一部分:选择题

QUESTION NO: 1

1、public class Test {

public static void changeStr(String str){

str="welcome";

}

public static void main(String[] args) {

String str="1234";

changeStr(str);

Systemoutprintln(str);

}

}

Please write the output result :

QUESTION NO:2

1 public class Test {

2 static boolean foo(char c) {

3 Systemoutprint(c);

4 return true;

5 }

6 public static void main( String[] argv ) {

7 int i =0;

8 for ( foo('A'); foo('B')&&(i<2); foo('C')){

9 i++ ;

10 foo('D');

12 }

13 }

14 }

What is the result

A ABDCBDCB

B ABCDABCD

C Compilation fails

D An exception is thrown at runtime

QUESTION NO: 3

1 class A {

2 protected int method1(int a, int b) { return 0; }

3 }

Which two are valid in a class that extends class A (Choose two)

A public int method1(int a, int b) { return 0; }

B private int method1(int a, int b) { return 0; }

C private int method1(int a, long b) { return 0; }

D public short method1(int a, int b) { return 0; }

E static protected int method1(int a, int b) { return 0; }

QUESTION NO: 4

1 public class Outer{

2 public void someOuterMethod() {

3 // Line 3

4 }

5 public class Inner{}

6 public static void main( String[]argv ) {

7 Outer o = new Outer();

8 // Line 8

9 }

10 }

Which instantiates an instance of Inner

A new Inner(); // At line 3

B new Inner(); // At line 8

C new oInner(); // At line 8

D new OuterInner(); // At line 8//new Outer()new Inner()

QUESTION NO: 5

Which method is used by a servlet to place its session ID in a URL that is written to the servlet’s response output stream

A The encodeURL method of the >

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