晨识草的博客

自增自减运算符在java中的使用跟c和c++是一样的//**********AutoInc.java************ public class AutoInc { public static void main (String[] args) { int i = 1; System.out.println("i : " + i); Sy

第一个java代码：helloworld.java1.注意代码的名称需要与类的名称保持一致 2.java语言是大小写敏感的public class helloworld { public static void main(String[] args) { System.out.println("hello world"); } }运行的操作是：run -> run

注: 在class employee前面不能加publicimport java.io.*; class employee { private String employeeName; private int employeeNo; private double employeeSalary; public void setEmployeeName(String na

1.利用一维数组实现杨辉三角10行的输出public class YhArray { public static void main(String args[]) { int i = 1, j; int yh[] = new int[10]; for (i = 0; i < 10; ++i) { yh[i] = 1;

MulForStatement.javapublic class MulForStatement { public static void main(String args[]) { int i, j; for (i = 1; i <= 9; i++) { for (j = 1; j <= i; ++j) {

SwitchStatement.javaThe switch statement in java, and how to input an int variable and a char variable int java.import java.util.Scanner; // to make it available to input public class SwitchStatement

1.IfStatement.javapublic class IfStatement { public static void main(String args[]) { int a = 2, b = 1, t; if (a > b) { t = a; a = b; b = t;

URshift.javapublic class URshift { public static void main(String args[]) { int i = -1; System.out.println(i >>>= 10); long l = -1; System.out.println(l >>>= 10);

CLoperation.javapublic class CLoperation { public static void main(String args[]) { int i = 1; boolean b = ((i > 0) && (i < 100)); // boolean System.out.println(b); }

第一步:  大开终端,安装javac和java sudo apt-get install javac sudo apt-get install java 第二步: 编辑java代码 第三步: 让终端处于所编辑代码所在的路径下 执行:(例:代码的名称为hello.java) javac hello.java(编译) java hello(运行并输出结果)

1.Error the project cannot be built until build path errors are resolved 解决的办法：project->clean2.xml中EditText无法使用原因是API的版本较高，需要下载较低版本的API 提示的错误为： Exception raised during rendering: java.lang.System.