Java code errors

Basic code

  
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Compilation failed due to following error(s).Main.java:9: error: class, interface, or enum expected
public double input(double minValue, double maxValue) {
       ^
Main.java:11: error: class, interface, or enum expected
		minValue = -1000.0;
		^
Main.java:12: error: class, interface, or enum expected
		maxValue = 1000.0;
		^
Main.java:13: error: class, interface, or enum expected
		String strInput;
		^
Main.java:14: error: class, interface, or enum expected
		boolean valid = false;
		^
Main.java:15: error: class, interface, or enum expected
			while(valid == false) {
			^
Main.java:20: error: class, interface, or enum expected
     try {
     ^
Main.java:22: error: class, interface, or enum expected
				if (userInput <= minValue || userInput >= maxValue) 
				^
Main.java:25: error: class, interface, or enum expected
				else
				^
Main.java:27: error: class, interface, or enum expected
			}
			^
Main.java:31: error: class, interface, or enum expected
			}
			^
Main.java:35: error: class, interface, or enum expected
	}	
	^
12 errors