_out.txt

~$ javac Test.java
Test.java:5: error: possible loss of precision
    x = 2.345f;
        ^
  required: int
  found:    float
Test.java:6: error: possible loss of precision
    x = y;
        ^
  required: int
  found:    float
2 errors

Test.java

public class Test {
  public static void main(String[] args) {
    int x;
    float y = 2.345f;
    x = 2.345f;
    x = y;
  }
}