Array practice
----------------------------------------------------------
import java.util.Scanner;

public class ArrayPractice {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
    /*Ex1
        //variables declaration
        char inputArr[] = new char[10],searchCh;
        int repeat=0;

        //define scanner
        Scanner s = new Scanner(System.in);

        //user instruction 1
        System.out.println("Please type an array of 10 characters");

        //user input values into number array 1
        for (int i=0;i<inputArr.length;i+=1)
            inputArr[i] = s.next().charAt(0);

        //user instruction 2
        System.out.println("Please give a char to search for");

        //buffer clean
        System.out.println();

        //user input values into number array 2
        searchCh = s.next().charAt(0);

        //operation
        for (int i=0;i<inputArr.length;i+=1){
            repeat += inputArr[i]==searchCh ? 1 : 0 ;
        }

        //output to user
        System.out.println(
                "Said char repeat in above string - " + repeat + " times");

        //resource leak close
        s.close();
    */

    /*Ex 2
        //variables declaration
        int[] numberArr1 = new int[5], numberArr2 = new int[5];

        //define scanner
        Scanner s = new Scanner(System.in);

        //user instruction 1
        System.out.println(
                "Please enter the first number array of 5 values");

        //user input values into number array 1
        for (int i=0;i<numberArr1.length;i+=1)
            numberArr1[i]= s.nextInt();

        //clearing buffer
        System.out.println();

        //user instruction 2
        System.out.println(
                "Please enter the second number array of 5 values");

        //user input values into number array 2
        for (int i=0;i<numberArr2.length;i+=1)
            numberArr2[i]= s.nextInt();

        //operation +
        System.out.print("The indexes of similar numbers are - ");
        for (int i=0;i<numberArr1.length;i+=1){
            if(numberArr1[i]==numberArr2[i])
                System.out.print(i + " ");
        }

        //resource leak close
        s.close();
    */

    /*Ex 3
        //variables declaration
        int[] numberArr1 = new int[5], numberArr2 = new int[5],
            outputArr = new int[5];

        //define scanner
        Scanner s = new Scanner(System.in);

        //user instruction 1
        System.out.println(
                "Please enter the first number array of 5 values");

        //user input values into number array 1
        for (int i=0;i<numberArr1.length;i+=1)
            numberArr1[i]= s.nextInt();

        //user instruction 2
        System.out.println(
                "Please enter the second number array of 5 values");

        //user input values into number array 2
        for (int i=0;i<numberArr2.length;i+=1)
            numberArr2[i]= s.nextInt();

        //operation
        System.out.print("The sum of both arrays at similar indexes are - ");
        for (int i=0;i<numberArr1.length;i+=1){
            outputArr[i] = numberArr1[i] + numberArr2[i];
            System.out.print(outputArr[i] + " ");
        }

        //resource leak close
        s.close();
    */

    /*Ex4
        //variables declaration
        char[] charArr = new char[5];

        //define scanner
        Scanner s = new Scanner(System.in);

        //user instruction
        System.out.println(
                "Please enter a number array of 5 values");

        //user input values into number array
        for (int i=0;i<charArr.length;i+=1)
            charArr[i]= s.next().charAt(0);

        //operation
        for (int i=0;i<charArr.length;i+=1){
            if(charArr[0]!=charArr[i]){
                System.out.println(
                    "The characters of the array are not similar");
                break;
            }
        }

        //resource leak close
        s.close();
    */

    /*Ex6
        //variables declaration
        int[] numArr = new int[5];

        //define scanner
        Scanner s = new Scanner(System.in);

        //user instruction
        System.out.println(
                "Please enter a number array of 5 values");

        //user input values into number array
        for (int i=0;i<numArr.length;i+=1)
            numArr[i]= s.next().charAt(0);

        //operation
        for (int i=1;i<numArr.length;i+=1){
            if(numArr[i]<=numArr[i-1]){
                System.out.println(
                    "The numbers of the array are not in ascending order");
                break;
            }else if (i==numArr.length-1)
                System.out.println(
                "The numbers of the array are in ascending order");
        }

        //resource leak close
        s.close();
    */
    }

}
**************************************************************
Method practice
--------------------------------------------------------------
import java.util.Scanner;

public class Tester03 {

    public static void main(String[] args) {

        //Method practice - Ex 1

        //variables declaration
        int numberArr[] = new int[5],digit,repeats=0;

        //define scanner
        Scanner s = new Scanner(System.in);

        //user instruction 1
        System.out.println("Gimme number array with 5 values");

        //user input values into our array
        for (int i=0;i<numberArr.length;i+=1)
            numberArr[i]= s.nextInt();

        //user instruction 2
        System.out.println("Gimme a number to count its repeat in the above array");
        digit = s.nextInt();

        //operation
        for (int i=0;i<numberArr.length;i+=1)
            repeats += countDigInNumber(numberArr[i],digit );

        //output to user
        System.out.println("In said array of number , the digit - "+ digit + " is repeated "+
                repeats + " times.");

        //resource leak close
        s.close();
    }

    public static int countDigInNumber(int number,int digit){
        int returnNum=0;
        do{
            if (number%10 ==digit)
                returnNum += 1;
            number/=10;
        }while(0<number);
        return returnNum;
    }
}
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
import java.util.Scanner;

public class Tester04 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
    //Method practice - Ex 2

        //variables declaration
        int[] numberArr1 = new int[5], numberArr2 = new int[5],
        outputArr = new int[5];
        String outputStr = "[";

        //define scanner
        Scanner s = new Scanner(System.in);

        //user instruction 1
        System.out.println(
                "Please enter the first number array with up to 5 values, if empty - type 0");

        //user input values into number array 1
        for (int i=0;i<numberArr1.length;i+=1)
            numberArr1[i]= s.nextInt();

        //user instruction 2
        System.out.println(
                "Please enter the second number array with up to 5 values, if empty - type 0");

        //user input values into number array 2
        for (int i=0;i<numberArr2.length;i+=1)
            numberArr2[i]= s.nextInt();


        //operation + string building
        outputArr = repeatedNums(numberArr1,numberArr2);
        for (int i=0;i<outputArr.length;i+=1){
            if(outputArr[i]!=0)
                outputStr += outputArr[i];
            if (i+1<outputArr.length && outputArr[i+1] != 0)
                outputStr += ",";
        }
        outputStr += "]";

        //output to user
        System.out.println("In said 2 arrays of numbers , the repeated numbers are - "+ outputStr);

        //resource leak close
        s.close();
    }

    public static int[] repeatedNums(int[] array1,int[] array2){
        int[] returnNumArr = new int[array1.length];
        for(int i=0,counter=0;i<array1.length;i+=1){
            for(int j=0;j<array2.length;j+=1){
                if (array1[i] == array2[j]){
                    returnNumArr[counter] = array1[i];
                    counter +=1;
                }
            }
        }
        return returnNumArr;
    }
}