how to add | character in java code example

Example 1: add one character to string java

char ch='A';
String str="pple";
str= ch+str;   // str will change to "Apple"

Example 2: how to add a character to a string in java

// Define a character
char ch='A';
// Define a string
String str="pple";
str= ch+str;   // str will change to "Apple"