Lab9.java - import java.util.Scanner public class Lab9 cfw...

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import java.util.Scanner; public class Lab9 { public static int sum(int[] _arr) { int i = 0; int total = 0; for (i = 0; i < _arr.length; i++) { total = total + _arr[i]; } return (total); } public static void update(int[] _arr, int _index, int _val) { for (int i = 0; i <= _index; i++) { if(_arr[i] == _arr[_index]) { _arr[i] = _val; } } System.out.println("Array is:" + print(_arr)); } public static int max_min(int[] _arr) { int max = _arr[0]; int min = _arr[0]; //Max value for (int i=0;i<_arr.length;i++) { if (_arr[i] > max) { max = _arr[i]; } } //Min value for(int i=0; i <_arr.length;i++) { if (_arr[i] < min) { min = _arr[i]; } } int differences = max - min; return (differences); } public static void swap(int[] _arr,int[] _n_arr, int index) { if (index < _arr.length && index < _n_arr.length)
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{ System.out.println("Invalid index to swap!"); } else { for(int i = 0; i < index; i++) { int temp = _arr[i]; _arr[i] = _n_arr[i]; _n_arr[i] = temp; } } System.out.println("Array is: " + print(_arr)); System.out.println("Array is: " + print(_n_arr)); } public static void reverse( int[] _arr) { for (int i = 0; i < _arr.length/2; i++) { int temp = _arr[i]; _arr[i] = _arr[_arr.length - i - 1]; _arr[_arr.length - i - 1] = temp; } System.out.println("Array is:" + print(_arr)); } public static String print(int[] _arr) {
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