Core Java - Interview Questions and Answers for 'Environment variables' | Search Java Interview Question

Core Java - Interview Questions and Answers for 'Environment variables' - 4 question(s) found - Order By Newest

Q1. What environment variables do I need to set on my machine in order to be able to run Java programs?

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Ans. CLASSPATH and PATH are the two variables.

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Q2. Which environment variables do we need to set in order to run Java programs?

^{2017-01-12 10:55:08}

Ans. PATH, CLASSPATH and JAVA_HOME

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Q3. Difference between System.getEnv and System.getProperties ?

^{2019-02-06 13:34:58}

Ans. System.getEnv gets the environment variables where System.getProperties gets Java properties.

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Q4. Can we load environment variables into Properties in Java ? How ?

^{2019-02-06 13:43:28}

Ans. Yes

new Properties().putAll(System.getenv());

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