Download the Java jre, terminal CMD showed no, what a great god can help the younger brother is real-CodePudding

Because want to use cytoscape, so give the Java jre down, but showed no end of CMD, not when operating cytoscape

CodePudding user response:

Configure the Java environment variable, to search for a lot of Java environment variables in CSDN randomly choose the configuration is ok

CodePudding user response:

reference 1st floor sh_c response:

configure your Java environment variable, to search for a lot of Java environment variables in CSDN randomly choose the configuration to the

Jre also need to configure the environment variables?

CodePudding user response:

Want,, the JDK includes the jre includes the JVM containing relation, jre is when you want to run the Java application runtime environment required packages, JDK is you want to write and compile required for Java and run the Java development kit, is more powerful,
You just run Java, so it is ok to configure jre only

Your computer right==& gt; Attributes, advanced system Settings==& gt; Environment variables and system variables, editor, this is the following three JDK, you only need to add in the path on your such as D: \ dev \ jre \ bin. Can run Java,
Suggest you download the JDK configured, because sometimes the jre is likely to lack some package can't use the

The variable name: JAVA_HOME
A variable's value: change your Java folder path, such as: D:/dev/java1.8
The variable name: CLASSPATH
A variable's value:; The % JAVA_HOME % \ lib \ dt. Jar; % JAVA_HOME % \ lib \ tools. Jar;

The variable name: Path
A variable's value: % JAVA_HOME % \ bin; % JAVA_HOME % \ jre \ bin.

CodePudding user response:

I didn't find the path of system variables

CodePudding user response:

reference sh_c reply: 3/f

, and the JDK includes the jre includes the JVM containing relation, jre is when you want to run a Java application runtime environment required packages, JDK is you want to write and compile required for Java and run the Java development kit, is more powerful,
You just run Java, so it is ok to configure jre only

Your computer right==& gt; Attributes, advanced system Settings==& gt; Environment variables and system variables, editor, this is the following three JDK, you only need to add in the path on your such as D: \ dev \ jre \ bin. Can run Java,
Suggest you download the JDK configured, because sometimes the jre is likely to lack some package can't use the

The variable name: JAVA_HOME
A variable's value: change your Java folder path, such as: D:/dev/java1.8
The variable name: CLASSPATH
A variable's value:; The % JAVA_HOME % \ lib \ dt. Jar; % JAVA_HOME % \ lib \ tools. Jar;

The variable name: Path
A variable's value: % JAVA_HOME % \ bin; % JAVA_HOME % \ jre \ bin.

As if the path in the system variables before deleted by mistake