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- Write a program in java that randomly fills in 0s and 1s into an n-by-n matrix, prints the matrix, and finds the rows and columns with the most 1s. (Hint: Use two ArrayLists to store the row and column indices with the most 1s.)Write a Java program to reverse elements in a array list?Write a Java program to find the second smallest element in an array. {-2, 5, 0, 7, -1}
- Write the method sum2D() in JAVA which accepts a two dimensional integer array and returns the sum of all the elements of the array.Using the picture, use Java to design and implement the class PascalTriangle that will generate a Pascal Triangle from a given number of rows. Represent each row in a triangle as a list and the entire triangle as a list of these lists, implement the class ArrayList for these lists.Write a Java program to find the second smallest element in an array, using the numbers {-2, 5, 0, 7, -1}
- Write a java program to find all pairs of elements in an array whose sum is equal to given number.Write a Java program to implement a one-dimensional integer array of any size, add its elements and test whether the final sum is an odd or even. Sample array1: 25 3 80 9 25Sample output: EvenSample array2: 24 13 7 8 25Sample output: Odd. Write a Java program to sort the given list of elements in descending order using ArrayList.
- Using JAVA, write a method that modifies an ArrayList<String>, moving all strings starting with an uppercase letter to the front, without otherwise changing the order of the elements. Write a test program to demonstrate the correct operation of the method.Write a Java class that creates a 3x4 array of 12 random ints between 0 and 100. Write a method to return the sum of the elements in the last column of each row in the two-dimensional array.Write a java while loop that loops through an array of type int with a size of 6, and adds up every other element in the array and prints the sum.