Java 1-mavzu test

Java dasturlash tili qachon va kim tomonidan yaratilgan?

• 1999 yil Dave Packard

• 1995 yil Jeyms Gosling

• 2000 yil Google

• 1990 yil Oracle

Java platformalari qaysilar?

• Java Standard Edition, Java Enterprise Edition, Java Micro Edition, JavaFX

• Java WEB App, Java Mobile App

• Java WEB App, Java Mobile App, Java Desktop App

• Java WEB App, Java Mobile App, Java Desktop App, Java WEB Servers,

JDK da qanday qismlardan tashkil topgan?

• JDE va JVM

• JEE va JVM

• JS va JVM

• JRE va JVM

Javada o'zgaruvchilar necha turga bo'linadi?

• Local, Consts

• Local, Instance, Static

• Primitive, Non-primitive

• Access, Non-access

Static o’zgaruvchi yoki static methodni classdan obyekt olmasdan ishlatish mumkin. 

• Ha

• Yo'q

Instance variable ni ishlatish majburiydir.

• Ha

• Yo'q

Java Data Types ning turlari?

• Access va Non-Access data types

• Static va Dynamic data types

• Primitive va Non-Primitive data types

Pirimitive Data Types turlari?

• Boolean, Numeric

• Character, Integral

• Integer, Floating

• String, Array

Non-Primitive Data Types turlari?

• Boolean, Numeric

• Character, Integral

• String, Array, Class

Java Unary operator Postincrement ?

• ++a

• a++

• --a

• a--