Searching in a ArrayList with custom objects for certain strings
问题 I have a ArrayList with custom objects. I want to search inside this ArrayList for Strings. The class for the objects look like this: public class Datapoint implements Serializable { private String stateBased; private String name; private String priority; private String mainNumber; private String groupadress; private String dptID; public Datapoint(){ } public String getMainNumber() { return mainNumber; } public void setMainNumber(String mainNumber) { this.mainNumber = mainNumber; } public