Java Join Array
String.join(delimiter, elements);
Better Bug
String.join(delimiter, elements);
// Java Program to demonstrate merging
// two array using pre-defined method
import java.util.Arrays;
public class MergeTwoArrays1 {
public static void main(String[] args)
{
// first array
int[] a = { 10, 20, 30, 40 };
// second array
int[] b = { 50, 60, 70, 80 };
// determines length of firstArray
int a1 = a.length;
// determines length of secondArray
int b1 = b.length;
// resultant array size
int c1 = a1 + b1;
// create the resultant array
int[] c = new int[c1];
// using the pre-defined function arraycopy
System.arraycopy(a, 0, c, 0, a1);
System.arraycopy(b, 0, c, a1, b1);
// prints the resultant array
System.out.println(Arrays.toString(c));
}
}String[] data = { "First", "Second", "Third" };
StringBuilder sb = new StringBuilder();
for (String item : data) {
sb.append(item).append(", ");
}
sb.setLength(sb.length() - 2);
// generates output:
// First, Second, Third