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Wordreference. Wikipedia. Student announcements. Compiler errors. You used a variable name you did not define. Perhaps you forgot the declaration. Perhaps you declared it inside a block/loop and you tried to use it outside the block/loop. You must move the declaration to an encompassing outer block that encloses all the references.

Perhaps you spelled the variable slightly differently in declaration and reference. Watch your caps and double letters carefully. Cannot find symbol constructor , means you likely you did an explicit () to call the superclass constructor first thing in your constructor instead of using super(). Cannot find symbol method , where is your class’s superclass constructor means you likely you did an explicit () to call the superclass constructor first thing in your constructor instead of using super(). Possible causes of the error for constructors and methods: