package lessons; public class WorkingWithStrings { public

package lessons;

public class WorkingWithStrings
{

	public static void main(String[] args)
	{
		int num = 25;
		//num has direct accesss to val 25

		String s1 = "this is a string";
		//string has direct access to mem adress not string
		//this is normal strign syntax

		//variables we create from a class like strign an int are called 'refrence varaibles'
		System.out.println(s1);

		String s2 = new String ("this is also string");
		//means string s2 = "this os also a string"
		// called class constructor string
		System.out.println("\n"+ s2);

		////////////////////////////////////////////////////////////////////////////////

		String greeting = "gm ";
		String nameFour = "mitchell";
		String fConcat = greeting + nameFour + "you are in room "+ 332;
		System.out.println(fConcat);


		int stngSize = nameFour.length(); // returns amt of characters in the string
		System.out.println(stngSize);// spaces included

		String nom5 = "mr. pettis class";
		int stringSize = nom5.length();
		System.out.println(stringSize);

		//////////////////////////////////////////////////////////////////////////////////////
		//.toUpperCase()
		String outA = nom5.toUpperCase();
		System.out.println(outA);


		////////////////////////////////////////////////////////////////////////////
		//.toLowerCase()
		String outB = nom5.toLowerCase();
		System.out.println(outB);

		///////////////////////////////////////////////////////////////////
		 //.charAt()
		char r = nom5.charAt(6);
		System.out.println(r);
		// first letter is 0
		///////////////////////////////////////////////////////////
		//.indexOf("")
		System.out.println("first occurance of letter \"t\" is "+nom5.indexOf("t"));
		// to put double quotes inside ur argument put backslash before it ex \"t\"

		///////////////////////////////////////////////////
		//.contains("")
		System.out.println(" the contains method checks if the string contains 'petti': "+ nom5.contains("petti"));
		//returns true or false
		// case sensitivce^^^^^

		//this makes it case INSENSITIVE, aslo shows adding them
		System.out.println(nom5.toUpperCase().contains("PETTI"));
	}

}