add a string to another string code example

Example 1: insert string in string java

String newString = originalString.substring(0, index + 1) 
                           + stringToBeInserted 
                           + originalString.substring(index + 1);

Example 2: how to append string to another string in python

# Concatenation
string1 = "str"
string2 = "ing"
string3 = string1 + string2
# string3 is str + ing which is 'string'
# OR
print(string1 + string2)            # prints 'string' 

# Format
string3 = f"{string1}{string2}"     # prints 'string'

Example 3: how to append string to another string in python

var1 = "foo"
var2 = "bar"
var3 = f"{var1}{var2}"
print(var3)                       # prints foobar