Snippet 1
public int length()
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String x = "01234567";
System.out.println( x.length() ); // returns "8"
Snippet 2
public boolean contains(“searchString”)
String x = “Java is programming language”;
System.out.println(x.contains(“Amit”)); // This will print false
System.out.println(x.contains(“Java”)); // This will print true
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