System.out.format method format multiple arguments based on format string.
Basic example
public class Main {
public static void main(String[] args) {
int int1 = 10;
double double1 = 10.2;
String str1 = "Hello";
System.out.format("%d %f %s\n", int1, double1, str1);
}
}10 10.200000 Hello
print integer 8 characters in width
public class Main2 {
public static void main(String[] args) {
int int1 = 245;
System.out.format("%8d\n",int1); // Min 8 character width. Pad with space if needed
System.out.format("%08d\n",int1); // Min 8 character width. Pad with 0 if needed
}
}245 00000245
print float with 2 digits after decimal point
public class Main3 {
public static void main(String[] args) {
double double1 = 10.2456;
System.out.format("%.2f\n",double1);
}
}10.25
