You can not use exception of the following occur when you use the 2.3 or 2.2 version of App42_JAVA_SDK. I can successfully use version 2.1.
Exception in thread "main" java.lang.UnsupportedClassVersionError: com/shephertz/app42/paas/sdk/java/App42Exception: Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1 (Native Method)
at java.lang.ClassLoader.defineClassCond (ClassLoader.java: 637)
at java.lang.ClassLoader.defineClass (ClassLoader.java: 621)
at java.security.SecureClassLoader.defineClass (SecureClassLoader.java: 141)
at java.net.URLClassLoader.defineClass (URLClassLoader.java: 283)
at java.net.URLClassLoader.access $ 000 (URLClassLoader.java: 58)
at java.net.URLClassLoader $ 1.run (URLClassLoader.java: 197)
at java.security.AccessController.doPrivileged (Native Method)
at java.net.URLClassLoader.findClass (URLClassLoader.java: 190)
at java.lang.ClassLoader.loadClass (ClassLoader.java: 306)
at sun.misc.Launcher $ AppClassLoader.loadClass (Launcher.java: 301)
at java.lang.ClassLoader.loadClass (ClassLoader.java: 247)
Please tell me how to solve.