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DonnSchwartz: ever took a Java course and handed in the solutions to the assignments writte in C ? why not Cobol?
at this point, the OP doesn't need another language, as JWenting stated, she needs to think about the classes/methods she needs, and start writing them.
as for her last sentence: with an attitude like that, she'll always need help for the simplest things.
**how to solve invalid keystore error in android studio here is error report----------------------->
here is error report--------> error:Error:java.lang.RuntimeException: com.android.ide.common.signing.KeytoolException: Failed to read key palash from store "D:\MyApplication3.idea\workspace.xml": Invalid keystore format ...