CaseFormat class in Java

The CaseFormat class is a utility class for converting between various ASCII case formats -

##Abstract StringBufferformat(double number, StringBuffer toAppendTo, FieldPosition pos)format(double number, StringBuffer toAppendTo , Specialization of FieldPosition pos)StringFormat (long number)Specialization of the abstract StringBufferformat(long number, StringBuffer toAppendTo, FieldPosition pos)

Modification Symbol and type	Method and description
Object	clone() Override Cloneable.
boolean	equals(Object obj) Override equals.
String.	Format (Double Number) Specialization of format.
		p> format.
	format.
	Specialization of the format.

Example

Now let us see an example of a class that implements CaseFormat with the java file GuavaTester.java -

import com.google.common.base.CaseFormat;
public class GuavaTester {
   public static void main(String args[]) {
      GuavaTester tester = new GuavaTester();
      tester.testCaseFormat();
   }
   private void testCaseFormat() {
      String data = "test_data";
      System.out.println(CaseFormat.LOWER_HYPHEN.to(CaseFormat.LOWER_CAMEL, "test-data"));
      System.out.println(CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, "test_data"));
      System.out.println(CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, "test_data"));
   }
}

Compile the class using javac compiler as follows-

C:\Guava>javac GuavaTester.java

Now run GuavaTester to see the results-

C:\Guava>java GuavaTester

Output

This will produce the following output-

testData
testData
TestData

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