Does Android use Java 7?

The JRE is the Java Runtime Environment while the JDK is the Java Development Kit. It is the JDK that you need for Android application development along with the existing Android SDK. The Android SDK can use either JDK 6 or 7 , however, it can ONLY use the JDK 6 API.

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Do I need Java for JDK?

JRE (Java Runtime), which include a Java Virtual Machine and core libraries, is needed for running Java programs. JDK (Java Development Kit), which includes JRE plus the development tools (such as compiler and debugger), is need for writing as well as running Java programs .

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