How many compile error in the following code snippets?
4 System.out.print(Boolean.parseBoolean("true"));
5 System.out.print(Boolean.parseBoolean("True"));
6 System.out.print(Boolean.parseBoolean("TRUE"));
7 System.out.print(Boolean.valueOf("TRUE"));
8 System.out.print(Boolean.valueOf("True"));
9 System.out.print(Boolean.valueOf("true"));
0 compile error, the output is truetruetruetruetruetrue
