收录各种猥琐的java笔试

1、收录各种猥琐的java笔试/面试题目问题：收录各种猥琐的java笔试/面试题目 回答：1、运算符优先级问题，下面代码的结果是多少？(笔试)package test;public class Test public static void main( Stri ng args) int k = 0;in t ret = +k + k+ + +k + k;/ ret的值为多少2. 运算符问题，下面代码分别输出什么？(笔试)package test;public class Test public static void main( Stri ng args) int i1 = 10, i2 = 1

2、0;+ i2 = + i1 + i2);+ i1 i2);+ i1 * i2);/ i2 = + i1 / i2);3. 下面代码的结果是什么？还是抛出异常？(笔试)package test;public class Test public void myMethod(Stri ng str) public void myMethod(Object obj) public static void main( Stri ng args) Test t = new Test();t.myMethod( null);4. 假设今天是9月8日，下面代码输出什么？(笔试)package test;pub

3、lic class Test public static void main( Stri ng args) Date date = new Date();+ + date.getDate();5. 下面代码的输出结果是什么？package test;public class Test public static void main( Stri ng args) double val = 11.5;6. 编程输出一个目录下的所有目录及文件名称，目录之间用 tab。(笔试)package test;public class Test public static void main( Stri ng

4、 args) new Test().read( D:/test ,);public void read(Stri ng path, String tab) File file = new File(path);File childFiles = file.listFiles();（笔试）for (int i = 0; childFiles != n ull i7、从键盘读入10个整数，然后从大到小输出package test;public class Test public static void main( Stri ng args) Sca nner in = new Sca nn er(

5、System.i n);/注意这里的数组，不是int的In teger arr = new In teger10;for (i nt i = 0; i () Overridepublic int compare(I nteger o1, In teger o2) if (o1 o2) return -1;if (o18、下面代码的结果是什么？package test;public class Test exte nds Base public static void main( Stri ng args) Base b = new Test();b.method();Test t = new

6、Test();t.method();Overridepublic void method() class Base public void method() throws In terruptedExcepti on 9、以下代码的结果是什么？package test;public class Test exte nds Base public static void main( Stri ng args) new Test().method();public void method() ();class Base 10、true or false ?package test;public class Test public static void main( Stri ng args) String str1 = new String( abc );String str2 = new Stri