# Java Programming Code Examples

## Java > Other Code Examples

### Hide password from command line

Concatenate 2 Strings without using strcat -
In the following program user would be asked to enter 'two Strings' and then the C program would 'concatenate them'. For concatenation we have not used the standard library strcat()

Using Binary Search Technique & Displays -
To perform "Binary Search" in 'C++', enter the array size, enter the array elements. Now ask to enter an element that is going to be search to "start searching" that element using binary

C Language Program Print Reverse Array -
Print an array in reverse order, we shall know the length of the array in advance. We can start an iteration from length value of array to zero and in each iteration we can print...

Find Sum of First & Last digit of a number -
C program to input a number and find sum of first & last digit of the number using for loop. Input a number from user and store it in some variable say j. Find last digit of given number

Calling by reference is a little bit the same -
It affects the "value of the variable" from the Parameter List. There is a possibility to use the default values for the parameters in the parameters list. In this case you can assign a

C Program code to Subtract two matrices -
C language read elements in two matrices and find the difference of two matrices. Subtract two matrices in C. Elements of two matrices can only be subtracted if and only...

C Code Print all Even numbers from 1 to N -
C Language program print all even numbers from 1 to n using for loop. So first let us talk about the easiest way to print even numbers. If I ask you to list all even numbers from 1 to

C Programming code Basic Hash example -
Basic hash example. Fire up hashtable, insert data into hashtable, resolve collisions in hashtable, display hashtable, delete an entry from hashtable, hash data for hashtable...