תרגיל בית 4 -שרון קליר-מכינה תל אביב

שאלה 1
public class aboveX\4 {

    public aboveX() {
        // TODO Auto-generated constructor stub
    }

    /**
     * @to count the numbers which are  bigger then x in an array
     */
    public static void main(String[] args) {

        int x=56;
        int[]arrays={4,700,90,8,67,56,34};
        int f=biggerThenx(x,arrays);
        System.out.println( " there are "+f+" numbers above 56");
    }
    public static int biggerThenx(int b,int[]a){
 int c=0;
        for (int i=0;i<=a.length-1;i++)
            if(a[i]>=b)

            c++;
        return c;
                                                }
    }


שאלה 2



public class aboveOneHundered\4 {

    /**
     *
     */
    public static void main(String[] args) {

        int[]array={100,200,300,400,50,10,700};

        int x=aboveOnehun(array);

        System.out.print("the array has "  +x+ " numbers above 100");   }

    public static int aboveOnehun(int[]a)
    {
        int c=0;
        for(int i=0;i<=a.length-1;i++)
            if(a[i]>=100)
                c++;
        return c;

                                            }

                                      }

שאלה 3

public class threeargu {

    /**
     * @param args
     */
    public static void main(String[] args) {

        int[]arr={45,870,90,78,67,54,77,1001,1,9};
        int n=35;
        boolean f=true;
        int d=checkTruefalse(f,arr,n);
        System.out.println(d );

        // TODO Auto-generated method stub

    }

    public static int checkTruefalse(boolean x,int[]a,int t)
    {

        int c=0;
        for (int i=0;i<=a.length-1;i++)
        {
            if (x==true &&amp; a[i]>=t)
                    c++;
            else if(x==false &&amp; a[i]<=t)
            c++;
        }
        return c;

    }
}

שאלה 4
public class stringMethod\4 {

    /**
     * @param args
     */
    public static void main( String[] args)
    {
         String[] words= new String[5];
        words[0]="Where";
        words[1]="is";
        words[2]="the";
        words[3]="Birthday";
        words[4]="cake?";

    String[]str1= new String[5];
         str1=numberOfwords(words);
            for(int i=0; i<=str1.length-1;i++)
            {
               System.out.print("  "+str1[i]);}

    }



    // TODO Auto-generated method stub



    public static String[] numberOfwords( String[] str )
    {
        for(int i=0;i<=str.length-1;i++)
        {
            if (str[i].length()-1>=4)

             str[i]=str[i].toUpperCase();

            else str[i]=" ";



        }

    return str;


    }
                              }