getenv() : 환경변수 값 리턴

 

JAVA_HOME 환경 변수 값 얻기

package sec05.exam05_getenv_YJ;

public class SystemEnvExample {
	public static void main(String[] args) {
		String javaHome = System.getenv("JAVA_HOME");
		System.out.println("[ JAVA_HOME ] " + javaHome);
	}
}
[ JAVA_HOME ] C:\Program Files\Java\jdk1.8.0_301

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