DancingSentence: TopCoder SRM 279

DancingSentence.java

//Link: https://github.com/rfaisal/hellouniverse/blob/master/Java/src/strings/DancingSentence.java
public static String convert(String s){
	StringBuilder sb = new StringBuilder(s);
	boolean dancingFlag=true;
	for(int i=0;i<sb.length();i++){
		if(sb.charAt(i)==' ') 
			continue;
		else if(dancingFlag)
			sb.setCharAt(i, Character.toUpperCase(sb.charAt(i)));
		else
			sb.setCharAt(i, Character.toLowerCase(sb.charAt(i)));
		dancingFlag=!dancingFlag;
	}
	return sb.toString();
}

DancingSentenceTest.java

//Link: https://github.com/rfaisal/hellouniverse/blob/master/Java/src/unittests/DancingSentenceTest.java
//Topcoder system test passed
@Test
public void testConvert() {
	assertEquals("ThIs Is A dAnCiNg SeNtEnCe", DancingSentence.convert("This is a dancing sentence"));
	assertEquals(" ThIs   Is         A  dAnCiNg   SeNtEnCe  ", DancingSentence.convert(" This   is         a  dancing   sentence  "));
	assertEquals("AaAaAaAaAaA", DancingSentence.convert("aaaaaaaaaaa"));
	assertEquals("Z", DancingSentence.convert("z"));
}