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	public static void main(String[] args) {
		int[] array1 = {2, 5, 6, 6, 7, 3, 1, 2};
		System.out.println(freq(array1));
	}
 
	public static int freq(int[] array){
		return Collections.frequency(Arrays.asList(array), 2);
	}

Main.java:1: error: class, interface, or enum expected
	public static void main(String[] args) {
	              ^
Main.java:3: error: class, interface, or enum expected
		System.out.println(freq(array1));
		^
Main.java:4: error: class, interface, or enum expected
	}
	^
Main.java:6: error: class, interface, or enum expected
	public static int freq(int[] array){
	              ^
Main.java:8: error: class, interface, or enum expected
	}
	^
5 errors

Standard output is empty