获取Java系统相关信息

package com.test;

import java.util.Properties;
import java.util.Map.Entry;

import org.junit.Test;

public class SystemTest {

/**
* 获取Java系统相关信息
* @throws Exception
*/
@Test
public void testSys() throws Exception {
//System.out.println();
Properties properties = System.getProperties();

for(Entry<Object, Object> entry : properties.entrySet()){
System.out.println(entry.getKey()+"===>"+entry.getValue());
}
}
}