Java Type Conversion Cheat Sheet

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✅ Java Type Conversion Cheat Sheet

From → To	Conversion Code Example
String → int	int num = Integer.parseInt("123");
int → String	String str = String.valueOf(123);
	String str = Integer.toString(123);
char → String	String str = String.valueOf('A');
	String str = Character.toString('A');
String → char	char ch = "Java".charAt(0);
char → int	int code = (int) 'A'; // ASCII value
int → char	char ch = (char) 65; // ASCII to char
double → String	String str = String.valueOf(3.14);
	String str = Double.toString(3.14);
String → double	double d = Double.parseDouble("3.14");
boolean → String	String str = String.valueOf(true);
String → boolean	boolean b = Boolean.parseBoolean("true");

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