Default Value Of String Variable In Java In Java when a variable is declared but not initialized it is assigned a default value based on its data type The default values for the primitive data types in Java are as follows
In the first case you are declaring int a as a local variable as declared inside a method and local varible do not get default value But instance variable are given default Whenever a user creates a variable in java program but doesn t assign it any value then compiler assigns it certain value which is referred to as default value Here we will demonstrate what is default value assigned to String variables
Default Value Of String Variable In Java
Default Value Of String Variable In Java
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See member variables are initialized with a default value when the class is constructed null in String s case But we have to initialize local variables ourselves If we give localVarString a value of null we ll see that the two are Given below is a java program that displays default values of different primitive data types like int float double boolean String Default value means the value assigned automatically by Java
Default Initialization of Instance Variables in Java When you declare a variable without assigning it an explicit value the Java compiler will assign a default value Let s Class forName String boolean ClassLoader method in Java with Examples The forName String boolean ClassLoader method of java lang Class class is used to get the
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For example you should not name a variable int or String Default Values for Java Variables In Java variables are automatically assigned default values if they are not Java Strings Strings are used for storing text A String variable contains a collection of characters surrounded by double quotes Example Get your own Java Server Create a variable of type
What is String Default Value in Java The default value of a string in Java is null This means that if a string variable is declared but not assigned a value it will contain null by Default Values It s not always necessary to assign a value when a field is declared Fields that are declared but not initialized will be set to a reasonable default by the compiler Generally
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In Java when a variable is declared but not initialized it is assigned a default value based on its data type The default values for the primitive data types in Java are as follows
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In the first case you are declaring int a as a local variable as declared inside a method and local varible do not get default value But instance variable are given default
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Default Value Of String Variable In Java - Given below is a java program that displays default values of different primitive data types like int float double boolean String Default value means the value assigned automatically by Java
