Arrays

• array utilities in class Arrays

  • String str = Arrays.toString(myArray) or
                 Arrays.deepToString(my2DArray)
    boolean b  = Arrays.equals(array1,array2) or
                 Arrays.deepEquals(array2D1, array2D2)
    Arrays.fill(myArray, val)
    newArray = Arrays.copyOf(myArray, newlength)
    

• variable length parameter lists (type...variablename)
• foreach
• Math.random(), Random class
• multidimensional arrays
• jagged arrays