All numbers patterns using Java programming Language

All String programs in java programming language

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  1. Write a Java program to concatenate two string
  2. Write a Java program to convert all characters in a string to lowercase
  3. Write a Java program to convert all characters in a string to uppercase
  4. Write a Java program to trim a string(remove whitespaces)
  5. Write a Java program to get a substring of a given string between two specified positions
  6. Write a Java program to replace all the ‘d’ characters with ‘f’ characters
  7. Write a java program to get the length of a given string
  8. Write a java program to print current date and time in the specified format
  9. Write a Java program to get the character at the given index within the String
  10. Write a java program to remove a particular character from a string
  11. Write a java program to reverse a String
  12. Write a java program to remove html tags from a string
  13. Write a java program to count total number of lines from a string

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