【java命令报错】bash: java: command not found

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1 2	[root@izm5eab8t820b79js38tbxz ~]# java -version -bash: java: command not found

　　出现上面问题，解决方法：

在写好/etc/profile，还需要执行一条语句：

[root@iZwz9hyxm0pqbpfu4b9trsZ ~]# source /etc/profile

[root@izm5eab8t820b79js38tbxz ~]# java -version
java version "1.8.0_241"
Java(TM) SE Runtime Environment (build 1.8.0_241-b07)
Java HotSpot(TM) 64-Bit Server VM (build 25.241-b07, mixed mode)
[root@izm5eab8t820b79js38tbxz ~]#