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Int x = 6; string msg = "i am enjoying this class."; string msg1 = msg. touppercase(); string msg2 = msg. tolowercase(); char ltr = msg. charat(x); int strsize = msg. length(); system. out. println(msg); system. out. println(msg1); system. out. println(msg2); system. out. println("character at index x = " + ltr); system. out. println("msg has " + strsize + "characters.");

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Int x = 6; string msg = "i am enjoying this class."; string msg1 = msg. touppercase(); string msg...
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