Determine if part of two arrays equal in java -

i have 2 char arrays of different length, , want compare whether first few chars in both arrays same. e.g.

char[] pngheader = new char[] { 137, 80, 78, 71 }; // png char[] fileheader = new char[] { 137, 80, 78, 71 , xxx, xxx};  

i wondering whether if using elegant way arrays.equals()?
in advance.

the arrays class provides helpful methods situation.

public static void main(string[] args) {     char[] pngheader = new char[] { 137, 80, 78, 71 }; // png     char[] fileheader = new char[] { 137, 80, 78, 71 , 1, 2};      char[] fileheader2 = new char[] { 131, 80, 78, 71 , 1, 2};       boolean equals = arrays.equals(arrays.copyof(pngheader, 4),                                         arrays.copyof(fileheader, 4));     system.out.println(equals); //prints true      boolean equals2 = arrays.equals(arrays.copyof(pngheader, 4),                                        arrays.copyof(fileheader2, 4));     system.out.println(equals2); //prints false } 

this made more reusable creating method.

    public static boolean arraysequals(char[] arr1, char[] arr2, int length){         return arrays.equals(arrays.copyof(arr1, length -1),                          arrays.copyof(arr2, length -1));     }      //usage      arraysequals(pngheader, fileheader, 4);     arraysequals(pngheader, fileheader2, 4);