StringBuilderExploration

public class Stringbuilder {

	public static void main(String[] args) {
		//Inefficient Method
		String name="elizabeth";
		//Changes first character (e) to E, and attaches 'lizabeth'
		name=Character.toUpperCase(name.charAt(0))+name.substring(1);
		System.out.println(name);
		
		//String Builders Method
		StringBuilder nameTwo=new StringBuilder ("elizabeth");
		//Index of value (0) and then method applied (character.toUpperCase
		nameTwo.setCharAt(0, Character.toUpperCase(nameTwo.charAt(0)));
		System.out.println(nameTwo);
		
		//Normal method adding to string 
		String study="Software";
		study+="Engineering";
		System.out.println(study);
		
		//String Builders
		StringBuilder studyTwo= new StringBuilder ("Software");
		//Append is more efficient than +=
		studyTwo.append("Engineering");
		System.out.println(studyTwo);
		
		//StringBuilder strBuild = new StringBuilder("Comic");
		//strBuild.setCharAt(5, 's')
		//Capacity of the strBuild=5+(default of 16)
		//Command above throws out of bounds, to add, you must append 
		StringBuilder newWord= new StringBuilder ("Comil");
		newWord.setCharAt(4,'c');
		newWord.append('s');
		System.out.println(newWord);
		
		//Delete Method
		StringBuilder sequence = new StringBuilder("ABCDEFG");
		sequence.deleteCharAt(3);
		//Deletes 'D'
		System.out.println(sequence);
		
		//Multiple delete
		StringBuilder sequenceTwo = new StringBuilder("ABCDEFG");
		//Beginning is inclusive, end is exclusive 
		sequenceTwo.delete(1, 3);
		System.out.println(sequenceTwo);
		
		//Inserting Words
		StringBuilder concentration= new StringBuilder ("Science");
		concentration.insert(0, "Computer ");
		System.out.println(concentration);
		
		//Checking Capacity
		StringBuilder strBuild = new StringBuilder();
		//Default is 16
		System.out.println(strBuild.capacity());
		strBuild.ensureCapacity(20);
		//Needs a min of 20, so new capacity= 2(old capacity+1)
		System.out.println(strBuild.capacity());
	}

}