Java 8 and Java core Review

Java 8 Review

• Lambda expression − Adds functional processing capability to Java.
• Method references − Referencing functions by their names instead of invoking them directly. Using functions as parameter.
• Default method − Interface to have default method implementation.
• Stream API − New stream API to facilitate pipeline processing.
• Optional − Emphasis on best practices to handle null values properly.
• Nashorn, JavaScript Engine − A Java-based engine to execute JavaScript code.
• Date Time API − Improved date time API.
• New tools − New compiler tools and utilities are added like ‘jdeps’ to figure out dependencies.
• Functional Interfaces
• Base64

Lambda Benefit

• Enables functional programming
• Readable and concise code
• Easier to use APIs and libraries
• Enables support for parallel processing

Java core Review

• Data Types
• String concatenation
• If, else, switch, and loop concept
• Array concept
• Static
• String builder
• String compare
• Collection, Set, List
• HashMap, LinkedHashMap
• OOP
• Generic