2.
public static void rep1(String word, int multi)
{
    for(int x = 0 x <= multi; x++)
	{
	    System.out.print(word)
	}
}
4.   public static void daysinMonth(int month)
    {
        if(month = 1){
            System.out.print("31");
        } else if(month = 2){
            System.out.print("28");
        } else if(month = 3){
            System.out.print("31");
        } else if(month = 4){
            System.out.print("30");
        } else if(month = 4){
            System.out.print("31");
        } else if(month = 5){
            System.out.print("30");
        } else if(month = 6){
            System.out.print("31");
        } else if (month = 7){
            System.out.print("31");
        } else if (month = 8){
            System.out.print("31");
        } else if (month = 9){
            System.out.print("30");
        } else if (month = 10){
            System.out.print("31");
        } else if (month = 11){
            System.out.print("30");
        } else if (month = 12){
            System.out.print("31:);
        }
    }