Java Programming | Java Tutorial For Beginners | Java Training | Edureka

Java Programming | Java Tutorial For Beginners | Java Training | Edureka

• 1.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING What is Hadoop?
• 2.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING ➢ Variables ➢ Data types ➢ Operators ➢ Conditional Statements ➢ Loops ➢ Arrays and Strings ➢ Functions ➢ Classes and Objects Agenda
• 3.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Java Installation
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Eclipse Installation
• 5.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Variables Data types Operators Conditional Statements Loops Functions Classes and Objects Arrays & Strings
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Variable Variables are nothing but reserved memory locations to store values. This means that when you create a variable you reserve some space in memory. int X = 25; float Y = 3.142857; boolean B = true; B = true Y = 3.142857 X = 25 Memory
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Operators Conditional Statements Loops Functions Classes and Objects Arrays & Strings Variables Data types
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Data types A data type, in programming, is a classification that specifies which type of value a variable has and what type of mathematical, relational or logical operations can be applied to it without causing an error. int X = 25; float Y = 3.142857; boolean B = true; B = true Y = 3.142857 X = 25 Memory Integer Float Boolean
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Data types Data types Integer Float Character Boolean
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Character Boolean Integer1 3 4 Float32 Numeric Data type  Integer data types are used to store numeric values.  There are four different integer types in Java: -128 to 127 -32768 to 32167 -2147483648 to 2147483647 -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 byte Type short Type int Type long Type
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Character Boolean Integer1 3 4 Float3 2 Float Data type  Float data types are used to store numeric values along with their decimal value.  There are two different float types in Java: float Type double Type ±3.40282347E+38F ±1.79769313486231570E+308
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Boolean Integer1 Character3 4 Float32 Character Data type  Character data types are used to store character values.  char data type is a single 16-bit Unicode character: char Type 0 to 65,535
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Character Integer1 3 Boolean4 Float32 Boolean Data type boolean Type True or false  Boolean data types are used to store boolean values along.  This data type is used for simple flags that track true/false conditions
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Conditional Statements Loops Functions Classes and Objects Arrays & Strings Variables Data types Operators
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Data Operations Operators Relational Operators Arithmetic Operators Logical Operators Unary Operators Operations Operators are the constructs which can manipulate the value of operands.
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Arithmetic and Relational Operators Arithmetic a + b a – b a * b a / b a % b Addition Multiplication Subtraction Division Modulus a == b a != b a > b a < b a >= b a <= b Equal To Greater Than Not Equal To Less Than Greater Than Equal To Less Than Equal To Relational
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Unary Operator There are two types of unary operators: Increment and Decrement Increment Decrement Pre increment Post increment Pre decrement Post decrement ++i i++ --i i--
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Logical Operator There are three types of logical operators: Logical AND, Logical NOT, Logical OR a and b a or b Returns a if a is false, b otherwise Returns b if b is false, a otherwise not a Returns true if a is false, false otherwise
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Operators Conditional Statements Loops Functions Classes and Objects Arrays & Strings Variables Data types
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Conditional Statements If Statement If code End Start If Condition FALSETRUE Syntax:
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Conditional Statements Else If Statement If code End Start If Condition FALSE TRUE FALSE Else If Condition TRUE Else If code Syntax:
• 22.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Conditional Statements Else Statement Syntax: If code End Start If Condition FALSE TRUE FALSE Else If Condition TRUE Else If code Else code
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Conditional Statements Switch case Statement Syntax: Start switch Condition Case value1 Statement 1 break Case value2 Statement 2 break Case value3 Statement 3 break default Statement End
• 24.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Conditional Statements Operators Functions Classes and Objects Arrays & Strings Variables Data types Loops
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Loops in Java A loop statement allows us to execute a statement or group of statements multiple times. The following diagram illustrates a loop statement: Loops Loops forwhiledo while CHECK CONDITION EXECUTE BLOCK START EXIT LOOP FALSE TRUErepeat
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Do While Loop Do While Loop Repeats a statement or group of statements while a given condition is TRUE. It tests the condition after executing the loop body. Syntax: CHECK CONDITION EXECUTE BLOCK START EXIT LOOP FALSE TRUE repeat
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING While Loop While Loop Repeats a statement or group of statements while a given condition is TRUE. It tests the condition before executing the loop body. Syntax: CHECK CONDITION EXECUTE BLOCK START repeat EXIT LOOP FALSE TRUE
• 28.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING For Loop For Loop Repeats a statement or group of for a fixed number of times. It tests the condition before executing the loop body. Syntax: Check condition Initialization START Iteration Execute Statements Exit loop FALSE TRUE repeat
• 29.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Loops Arrays & Strings Conditional Statements Operators Functions Classes and Objects Variables Data types
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING  An array is a data structure which holds the sequential elements of the same type.  Arrays of any type can be created and may have one or more dimensions. Array In Java 0 1 2 3 4 126 32 230 21 200 Index Value E.g: array index 4 is holding a value of 200 Each index in the array holds a value.
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING  Arrays can be of 2 types: Array In Java Single Dimensional Array Initialization: int a[] = new int[12] Initialization: int table[][] = new int[4][5]; Table[2][2] = 13 Multi Dimensional Array 0 1 2 3 4 0 1 2 3 Width = 5 Height =4 Index in Y dimension Index in X dimension
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING  String is a data structure which holds the sequential character.  In Java programming language, strings are treated as objects. String In Java 0 1 2 3 4 5 H e l l o 0 Initialization: String str = “Hello” Str[0] Str[1] Str[2] Str[3] Str[4] Str[5]
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  www.edureka.co/devopsEDUREKA DEVOPS CERTIFICATIONTRAINING Functions Loops Conditional Statements Operators Classes and Objects Variables Data types Arrays & Strings
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Functions A function is a block of organized, reusable code that is used to perform a single, related action. Functions Predefined Functions User Defined Functions Function Add Call (3,5) Call (6,9) Call (1,5) Call 1 Call 2 Call 3 Return 8 Return 15 Return 6 Functions In Java
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  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Functions Classes and Objects Loops Conditional Statements OperatorsVariables Data types Arrays & Strings
• 36.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Classes and Objects in Python Classes and Objects  A class is the blueprint from which specific objects are created.  Anything that has a state and behavior is object. Class Object
• 37.
  ` https://www.edureka.co/java-j2ee-soa-trainingEDUREKA JAVA CERTIFICATIONTRAINING Session In A Minute Install Java Data types, Operators Loops Functions Conditional Statements Classes and Objects