I need help with these java codingbat questions:

Get the summation of all the numbers in the array getSumFromArray ([1, 2, 3])6 getSumFromArray ([2, 4, 6]) 12 getSumFromArray ([3, 5, 7, 8, 2]) 25 Go Save, Compile, Run (ctrl-enter) public int getSumFromArray intl nums) getNumOfEvens([1, 21, 23, 12, 321, 12, 23, 23])-2 getNumOfEve , 42, 2]) 6 getNumofEvens([2, 4, 5, 7, 9]) 2 ns([2, 4, 3, 523, 34, 2, 3 Go Save, Compile, Run (ctrl-enter) public int getNumOfEvens( int[] nums) getNumOfChars(["hello", "world"])10 getNumOfchars(["hee", "hee"]) 6 Go Save, Compile, Run (ctrl-enter) public int getNumofChars( String strs) getArrayOfNum(1) [1] getArrayofNum(2) [2, 2] getArrayOfNum(3)[3, 3, 3] Go Save, Compile, Run (ctrl-enter) public int[] getArrayOfNum( int num) 1