Which of the following is considered the first object-oriented programming language?

Which of the following is considered the first object-oriented programming language?

• Java
• Simula 67
• C++
• Smalltalk 

 

EXPLANATION

The formal programming concept of objects was introduced in the 1960's in Simula. The Simula 1 and later Simula 67 were programming languages designed for discrete event simulation/ jSijmula was created by Ole-Johan Dahl and Kristen Nygaard of the Norwegian Computing Center in Oslo/
https://en.wikipedia.org/wiki/Object-oriented_programming#History
https://en.wikipedia.org/wiki/Simula

SOURCE

https://en.wikipedia.org/wiki/Simula