Java String toLowerCase function – JavaDream
August 20, 2020 | Spring boot complete tutorial with example | No Comments
Java toLowerCase function of string converts the given string into lower case. Return type of this function is String.
For Example if i have a string like “I Like Java Programming Language” and i want to convert this string into lower case then i will use toLowerCase function of String.
package javadream; import java.util.Locale; public class JavaDream { public static void main(String[] args) { String str = "I Like Java Programming Language"; String lowerCase = str.toLowerCase(); System.out.println(lowerCase); } }
Output
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As toLowerCase function java also provides toUpperCase function. This function is used to convert given string into upper case.
toUpperCase Function
package javadream; import java.util.Locale; public class JavaDream { public static void main(String[] args) { String str = "I Like Java Programming Language"; String upperCase = str.toUpperCase(); System.out.println(upperCase); } }
Output

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