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Setting for Java Development Environment (JDK) and Java Execution Environment (JRE)¶

Topics

Overview
Various Settings

Overview ¶

From 2013 Summer version, Java development environment (JDK) that can be used is JDK7 only. [*] JDK6 was abolished.

Following setting should be set to each JDK7 or JRE7 with this.

If it is updated from 2013 Summer version or earlier, you need to review the following settings.

Various Settings ¶

Please confirm if each of the following settings is set to JDK7 or JRE7.

If it is set to JDK6 or JRE6, please set it to JDK7 or JRE7.

Workspace Setting [Java]-[Installed JRE]¶

Open menu bar [Window]-[Setting] and open menu [Java]-[Installed JRE].

In the [Installed JRE] list, please check mark JDK7 as default.

Note

In the figure shown above, JDK6 is registered as [Installed JRE] for the explanation purpose.

JDK6 is unnecessary for module project development and it is enough if JDK7 is registered.

If JDK7 is not registered in the [Installed JRE] list, press [Add] button, set and add JDK7 to [JRE Home] as shown in the figure below, and check mark JDK7 in the [Installed JRE] list to make it a default.

Note

If JDK7 has not been installed yet, please install it.

It is recommended to set the latest JDK7 version for use.

Workspace Setting [Java]-[Compiler]-[Compliance Level]¶

Open menu bar [Window]-[Setting] and open menu [Java]-[Compiler].

Set setting item [JDK Compliance]-[Compiler Compliance Level] to [1.7].

Put a check mark on setting item [JDK Compliance]-[Default Compliance Setting Use] and set it to [Enable].

Project Setting [Java Build Path]-[Library]¶

Select the project, open right click menu [Setting], and open menu [Java Build Path].

Open setting tab [Library] and set JDK7 to [JRE System Library].

Project Setting [Java Compiler]-[JDK Compliance]¶

Select the project, open right click menu [Setting], and open menu [Java Build Path].

Set setting item [JDK Compliance]-[Compiler Compliance Level] to [1.7].

Put a check mark on setting item [JDK Compliance]-[Default Compliance Setting Use] and set it to [Enable].

Note

If module project is newly created, [Enable Project Unique Setting] option is [Enable].

If you want to use the workspace setting in common, please set [Enable Project Unique Setting] to [Disable].

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