Category: 💻 Java in 25 hours (28 steps)
💻 Step 2 : Java definition : 1st hour
💻 Step 3:Java Components (jvm/jre/jdk) : 1st hour
💻 Step 4: Classes and Objects: 2nd hour
💻Step 5:Datatypes : 2nd hour +code
💻 Step 6:Constructor – 3rd hour +code
💻 Step 7:Variables – 4th hour +code
💻Step 8:Modifiers in java – 5th hour +code
💻 Step 9: Java Operators – 6th hour +code
💻Step 10:Type Casting, Boxing/InBoxing and OutBoxing -6th hour +code
💻Step 11:Nested Classes – 7th hour + code
💻Step 12: Packages – 7th hour + code
💻Step 13:Oops- 1st Concept :INHERITANCE: 8th hour + code
💻Step 14: Oops- 2nd Concept: Polymorphism: 9th hour + code
💻Step 15:Oops- 3rd Concept: Abstraction: 10th hour + code
💻Step 16:Oops- 4th Concept: Encapsulation: 11th hour + code
💻Step 17:this and super keywords – 11th hour + code
💻Step 18:Interface – 12th hour + code
💻Step 19:Array -12th hour + code
💻Step 20: String Handling -13th hour + code
💻Step 21: Collection Frameworks -14th+15th hour + code
💻Step 22:Exception Handling -16th+17th hour + code
💻Step 23:I/O package 18th+19th hour+code
💻Step 24: Multithreading-20th+21st hour + code
💻Step 25: Reflection API -22th hour + code
💻Step 26: Design Patterns -23th hour + code
💻Step 27:JDBC -24th +25th hour +code
 Top 100 Java Interview Questions
Core Java in 25 hours 