安装JDK,软件
安装环境eclopse下载:https://www.eclipse.org/downloads/
myeclipse下载:https://www.genuitec.com/products/myeclipse/download/
配置环境变量
JAVA_HOME:C:Program FilesJavajdk-14.0.1
PATH: C:Program FilesJavajdk-14.0.1in
CLASSPATH:.;C:Program FilesJavajdk-14.0.1lib
代码
package com.imooc;
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello World");
}
}