Following code can be used to find Leaf Year in java.
public boolean isLeafYear(int year) {
boolean leaf = false;
if (year < 100) {
if (year > 40) {
year = year + 1900;
} else {
year = year + 2000;
}
}
if (year % 4 == 0) {
if (year % 100 != 0) {
leaf = true;
} else if (year % 400 == 0) {
leaf = true;
}
}
return leaf;
}