Java Indexof Returning 1 But List Has The Element Stack Overflow

Java Indexof Returning 1 But List Has The Element Stack Overflow I have a list of objects filled with elements, but if i do indexof (element) it keeps returning 1 . these are the checks i do: system.out.println("id old crime " oldcrime.getid()); system.out.println("index " this.service.getallcrimes().indexof(oldcrime)); int oldsize = this.service.getallcrimes().size();. This method returns the index of the first occurrence of the specified element in this list, or 1 if this list does not contain the element. example: parameters: this function has a single parameter, i.e, the element to be searched in the list.

C List Object Indexof Returning 1 How Stack Overflow The indexof() method is designed to return the index of the first occurrence of a specified element in the arraylist. if the element is not found, it returns 1. Learn how to get the index of first occurrence of an element in the arraylist using arraylist.indexof () method. to get the index of the last occurrence of the same element, use the lastindexof () method. 1) if multiple elements in an arraylist are equal (according to equals method), then the first one is returned. maybe you simply have multiple identical objects. You will most probably find that the indexof uses the hashcode method to match the object not the equals if you use eclise to edit you code eclipse will generate a good equals and hashcode method for you from the "source" menu.

Java Trying To Click Each Element In The List Stack Overflow 1) if multiple elements in an arraylist are equal (according to equals method), then the first one is returned. maybe you simply have multiple identical objects. You will most probably find that the indexof uses the hashcode method to match the object not the equals if you use eclise to edit you code eclipse will generate a good equals and hashcode method for you from the "source" menu. I'm searching for the object using the name element within the object, but whenever i print the index to make sure it's collecting the correct one, i keep getting 1 for all names tried, even though objects exists with the name i'm searching for. public static void main(string[] args) throws ioexception, jaxbexception {. Right now, i'm having trouble with searching the index for a specific band because it always returns 1 and i'm not sure why. here is my code: public static arraylist halloffame = new arraylist(); public static scanner scan = new scanner(system.in); public static void main(string[]args){ int a = 0; while(a == 0){. Int objectindex = list.indexof(o); why indexof returns 1 although objects are same? maybe the clob object has equals() implemented to return false, because the data isn't available, so it cannot compare to check if they have the same content. I am looking to find the index of a given element, knowing its contents, in java. i tried the following example, which does not work: class masi { public static void main( string[] args ) {.

Javascript Why Is Indexof Not Returning Anything Stack Overflow I'm searching for the object using the name element within the object, but whenever i print the index to make sure it's collecting the correct one, i keep getting 1 for all names tried, even though objects exists with the name i'm searching for. public static void main(string[] args) throws ioexception, jaxbexception {. Right now, i'm having trouble with searching the index for a specific band because it always returns 1 and i'm not sure why. here is my code: public static arraylist halloffame = new arraylist(); public static scanner scan = new scanner(system.in); public static void main(string[]args){ int a = 0; while(a == 0){. Int objectindex = list.indexof(o); why indexof returns 1 although objects are same? maybe the clob object has equals() implemented to return false, because the data isn't available, so it cannot compare to check if they have the same content. I am looking to find the index of a given element, knowing its contents, in java. i tried the following example, which does not work: class masi { public static void main( string[] args ) {.

How To Get Particular List Index In Java Stack Overflow Int objectindex = list.indexof(o); why indexof returns 1 although objects are same? maybe the clob object has equals() implemented to return false, because the data isn't available, so it cannot compare to check if they have the same content. I am looking to find the index of a given element, knowing its contents, in java. i tried the following example, which does not work: class masi { public static void main( string[] args ) {.