Erro ao executar o robocode

olá,
Baixei o robocode e quando eu clico em robocode.bat aparace o seguinte erro:

C:\robocode>java -Xmx512M -Dsun.io.useCanonCaches=false -jar robocode.jar

Exception in thread “main” java.lang.UnsupportedClassVersionError: robocode/Robo

code (Unsupported major.minor version 49.0)

at java.lang.ClassLoader.defineClass0(Native Method)

at java.lang.ClassLoader.defineClass(Unknown Source)

at java.security.SecureClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.defineClass(Unknown Source)

at java.net.URLClassLoader.access$100(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClassInternal(Unknown Source)

Alguém sabe o pode está acontecendo e como resolver?

até mais.[/img]

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