Unclosed Character Literal error

In Java, single quotes can only take one character, with escape if necessary. You need to use full quotation marks as follows for strings:

y = "hello";

You also used

System.out.println(g);

which I assume should be

System.out.println(y);

Note: When making char values (you’ll likely use them later) you need single quotes. For example:

char foo='m';

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