Answers for "how to add data to an array of array in java"

7

java add element to existing array

//original array
String[] rgb = new String[] {"red", "green"};
//new array with one more length
String[] rgb2 = new String[rgb.length + 1];
//copy the old in the new array
System.arraycopy(rgb, 0, rgb2, 0, rgb.length);
//add element to new array
rgb2[rgb.length] = "blue";
//optional: set old array to new array
rgb = rgb2;
Posted by: Guest on June-20-2020
0

how to add to an array

var ar = ['one', 'two', 'three'];
ar[3] = 'four'; // add new element to ar
Posted by: Guest on November-24-2020

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