関連ワード:  java class file version 52.0    java class file version 52.0 download    java runtime class file version 52.0    java runtime class file version 52.0 download    java class file version 55.0 vs 52.0    java class file has wrong version 52.0 should be 50.0    java class file versions up to 52.0    java class file has wrong version 61.0 should be 52.0    java class file has wrong version 55.0 should be 52.0    decompile .class file bytecode version 52.0 java 8