1.2 Write a JAVA program to compute the sum of the array given below and print the sum in the output. int []arr = {1,19,-6,67,-23,6,89,0};

Write the following Java code: Create an array of size 10 with elements entered by the user. Print the Array Switch the first and last elements of the array. Shift all elements by one to the right, and move the last element into the first position. Replace all even numbers with 0.

10. Write a JAVA program to read the elements of a 5*5 integer array and then print the sum of all columns along with the index of the column in the output.

How do I write this code in java?