do for loops need break statement in java code example

Example 1: java while loop break

while (true) {
    ....
    if (obj == null) {
        break;
    }
    ....
}

Example 2: break a function java

public void someMethod() {
    //... a bunch of code ...
    if (someCondition()) {
        return; //break the funtion
    }
    //... otherwise do the following...
}