Steps to install and configure the JDK

1.Configure environment variables, turn on my Computer--Properties--Advanced--environment variables, new system variablesJava_home. Variable Value:JDKthe directory, such asD:/java. Select "System Variables" in the variable named "Path"Environment variable double-click the variable toJDKin the installation pathbinthe absolute path to the directory, added to thePaththe value of the variable and separates it with the semicolon of the half-width and the existing path.

added variable value:%java_home%\bin;%java_home%\jre\bin;

Steps to install and configure the JDK