What is the output of the following Java statements?
```
//String method examples
String str = "Java Programming!";
System.out.println(str.equals("Java Programming!"));
System.out.println(str.toLowerCase());
System.out.println(str.toUpperCase());
System.out.println(str.substring(5,8));
System.out.println(str.lastIndexOf("m"));
```
true
java programming!
JAVA PROGRAMMING!
Pro
12
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